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13×11 Bellerose XL Greenhouse
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Industry-Leading 5-Year Comprehensive Warranty. Learn More -
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Customer Support Available 7-days/week
OVERVIEW
An integrated pergola with trellis roof defines the entrance of the Bellerose XL 13×11 cedar greenhouse, giving climbing vines and hanging plants a natural home. Our 10mm 4-wall polycarbonate delivers an R-2.1 insulation value and retains 30% more heat than the standard 6mm twin-wall panels most greenhouses use, diffusing light so plants get coverage without scorching. The FSC-certified, kiln-dried cedar frame naturally resists rot, decay, and insects, holding its strength and character through years of seasonal exposure. With 143 square feet of interior space, 48 linear feet of staging shelves, and a wide entry door sized for a wheelbarrow, you have room to set up raised planters and grow everything from seedlings to large plants.
- FSC-certified, kiln-dried cedar frame that naturally resists rot, decay, and insects
- 10mm 4-wall polycarbonate with R-2.1 insulation retains 30% more heat than standard 6mm twin-wall
- 1 thermostat-activated exhaust fan plus 4 casement windows for active and passive airflow
- 143 sq ft interior with 48 linear feet of upper and lower staging shelves
- Interior water spigot with collapsible hose included for watering inside the greenhouse
- Integrated pergola with trellis roof for climbing vines and hanging plants
- Pro-Tect™ tested to withstand 9,200 lbs of snow load and 100 mph winds
- Comprehensive 5-year warranty with U.S.-based 7-day support and 48-hour parts shipping
- Ready-to-assemble components with step-by-step guidance through AR Studio
WHAT’S INCLUDED?
Most greenhouses sell you the structure and stop there. Every Backyard Discovery greenhouse ships with the features you’d otherwise buy separately, all backed by our 5-year warranty.
- FSC-certified, kiln-dried cedar framing
- 10mm 4-wall polycarbonate panels
- 1 thermostat-activated exhaust fan
- 4 casement windows
- 2 air intake vents
- Upper and lower staging shelves
- Slat wall system
- 8 Movable plant hooks
- Interior spigot and exterior inlet hose connections
- 1 collapsible hose
- PowerPort™ Electric Hub
- Pergola with trellis roof
- Anchors & all hardware
$5,799
Craftsmanship & Trust
The Creative Backyard Concepts Difference
PRO-TECT™ Tested
Engineered & proven
Quick Ship
Carefully delivered
5-Year Warranty
Comprehensive coverage
Financing Available
Flexible monthly terms
The full comparison at a glance
What’s included with a Creative Backyard Concepts greenhouse, and what most competitors charge extra for.
| Structure & Materials | Creative Backyard Concepts | Others |
| Polycarbonate glazing material Thickness & Insulation |
10mm 4-wall (R-2.1) superior year-round insulation |
4–6mm, 2-wall minimal insulation value |
| Wind rating | 100 mph | Up to ~62 mph, if disclosed at all |
| Snow load rating | 50 lbs/ft² | 14–20 lbs/ft², if disclosed at all |
| Wood frame | FSC-certified cedar | Pine or cedar, varies by brand |
| Metal frame | Galvanized steel & aluminum | Aluminum only |
| Features & Functionality | Creative Backyard Concepts | Others |
| Thermostat-activated exhaust fan | Included | DIY add-on $80–$200 |
| Air intake vents | Included | DIY add-on $25–$50 |
| Operable windows | Included | DIY add-on $150–$400 |
Show more
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| Interior water spigot | Included | DIY add-on $75–$100 |
| PowerPort™ Electric Hub | Included | DIY add-on $100 |
| Staging shelves & slat wall | Included | Add-on $150–$450 |
| Plant hooks | Included | Add-on $25–$75 |
| Wheelbarrow-friendly door | Included | Varies |
| Support & Warranty | Creative Backyard Concepts | Others |
| Warranty | 5-year comprehensive | 1–3 years, varies by brand |
| Customer service | U.S.-based, 7 days/week | Varies |
| Parts replacement | Always available, ships in 48 hrs | Often unavailable |
Greenhouse Structure Specifications
| Model (SKU) # | 2404113 |
| Roof Style | Traditional peaked gable roof with integrated pergola |
| Greenhouse Nominal Size (W × D) — Excluding Pergola | 11 ft × 13 ft |
| Interior Floor Area | 143 sq ft |
| Actual Footprint Dimensions (W × D × H) | 11′-5 3/4″ x 16′-6″ × 10′-11″ (includes pergola) |
| Roof Peak Height | 10′-11″ |
| Wall Height | 6′-9 1/2″ |
| Frame Material | 100% FSC-certified kiln-dried cedar, pre-stained light brown |
| Glazing Material (Roof / Windows) | 10mm 4-wall polycarbonate |
| Door — Type & Width | Hinged single door, 36″ wide wheelbarrow-friendly entry |
| Built-in Staging Shelves/Workstation | 48 total linear feet of shelving (33 ft lower + 15 ft upper) |
| Plant Hooks Included | 8 movable hooks |
| Pergola | Integrated pergola with trellis roof – climbing-vine / hanging-light ready |
| Total Assembled Weight | 1,433 lbs (650 kgs) |
Growing Performance & Durability
| Glazing Material (Roof / Windows) | Polycarbonate panels |
| Thickness | 10mm |
| Wall Count | 4-wall commercial-grade construction |
| Insulation R-Value | R-2.1 (vs ~R-1.6 for standard 6mm twin-wall) |
| UV Resistance | UV-protected to resist yellowing, hazing, and sunlight degradation |
| Light Diffusion | Diffused light reduces plant scorching and shadows |
| Wind Rating | 100 mph |
| Snow Load Rating | 50 lbs/ft² (9,200 lbs) |
| USDA Hardiness Zone Suitability | Suitable for All USDA Zones; supplemental heat recommended in zones 3-7 and shade cloth recommended in zones 8-11 |
| Climate Use | Four-season / year-round growing |
| Passive Ventilation | 4 operable casement windows + 2 intake vents |
| Shade Cloth Compatible | Compatible with aftermarket shade cloth |
| Warranty | 5-year comprehensive coverage |
Greenhouse Site Prep & Ownership
| Foundation | Flat, level foundation required |
| Foundation Options | Concrete slab, compacted gravel base (most common), treated lumber base frame, pavers, or wood deck |
| Foundation Materials | Buyer supplied |
| Foundation Size Required | 12′-6″ W x 17′-6″ D (includes a 6″ perimeter allowance around the structure) |
| Anchor Hardware** | Concrete and ground-stake anchors included (wood-deck hardware purchased separately) |
| Orientation/Sun Exposure | South-facing location recommended; minimum 6 hours full sun daily |
| Power Hub | Patented PowerPort™ Electric Hub includes 3 outlets and 3 USB ports (power source not included) |
| Power Source | Connect to a grounded, GFCI-protected outdoor outlet using a heavy-duty, outdoor rated extension cord. For supplemental heaters or other high-wattage equipment, a dedicated electrical circuit installed by a qualified electrician is recommended. |
| Water Hookup | Exterior garden hose connection with interior spigot & included hose (garden hose not included) |
| Gutters | Available, sold separately |
| Ready to Assemble Kit | Pre-cut, pre-drilled, pre-stained, factory-labelled components |
| Recommended Crew Size | 2-3 adults |
| Estimated Greenhouse Assembly Time | Plan up to one week, depending on skill level and available time |
| Tools Required (not included) | Power drill + drill bits, Phillips driver, open-end wrenches, socket set with drive ratchet, tape measure, square, 24″ level, rubber mallet, claw hammer, 6′ ladder |
| Assembly Aid | BILT® app (free, 3D interactive instructions, iOS + Android, works offline); printed manual EN/FR/ES |
| Largest Box Dimensions / Weight | 91.14″ × 38.15″ × 7.95″/ 220 lbs (heaviest of 10 cartons) – 2-person lift |
**Must be anchored as specified in Creative Backyard Concepts instruction manual
Why Creative Backyard Concepts
Every Creative Backyard Concepts greenhouse is built to a higher spec than what’s standard at this price point. The 10mm 4-wall polycarbonate panels deliver R-2.1 insulation, the heavy-duty framing is rated to 100 mph winds and 50 lbs per square foot of snow load. Inside, every greenhouse ships with the features competitors charge extra for — thermostat-activated ventilation, interior water spigot, PowerPort™ Electric Hub, staging shelves, slat wall, and operable windows. All of it backed by a 5-year warranty and U.S.-based support seven days a week.
See it for yourself
Step Inside Before You Buy
Take a 360-degree look inside the Bellerose XL Greenhouse. See the staging shelves, the pergola entrance, the slat wall, and how 143 square feet of growing space actually feels before it ships to your driveway.
Polycarbonate Greenhouse Panels vs. Glass
Is Polycarbonate or Glass Better for a Greenhouse?
For most home greenhouse owners, 4-wall polycarbonate is the better choice. It insulates significantly more than single-pane glass (R~2.1 vs. ~0.9), diffuses light evenly to reduce plant stress, and resists impact from hail and heavy snow. Glass offers superior clarity and a longer raw panel lifespan, making it ideal for display greenhouses or mild climates where insulation is less critical.
Inside the Ventilation System
The thermostat-activated exhaust fan starts automatically when interior temperatures rise, while casement windows and low-mounted intake vents handle passive airflow when you want fresh air and pollinators in. Together, the system gives you both automatic and manual control to manage your greenhouse climate across the seasons.
Creative Backyard Concepts Blog
Resources for greenhouse owners — assembly tips, buying guides, and the answers to questions before, during, and after your build.
Greenhouse Gardening for Beginners: Everything You Need to Know Before Your First Season
A practical, no-fluff guide to starting your first greenhouse season — from choosing the right size and glazing to a month-by-month planting calendar and the five mistakes that trip up nearly every…
Greenhouse Ventilation: How to Keep Your Plants Healthy Year-Round
A closed greenhouse can hit 100°F on a mild spring day. This guide covers exhaust fans, passive vents, circulation, humidity control, and seasonal strategies to keep your plants alive — backed by u…
Polycarbonate Greenhouse Panels vs. Glass Greenhouse Panels: The Complete Comparison
Which greenhouse glazing actually performs better for your climate, budget, and growing goals? We break down polycarbonate vs. glass across insulation, light, durability, cost, safety, and climate …
Do I Need a Foundation for My Greenhouse? Options, Costs, and How to Decide
Compare four greenhouse foundation options — gravel, timber, pavers, and concrete — with real costs, trade-offs, and which one fits your greenhouse size.
How to Choose a Home Greenhouse Kit: The Complete Buying Guide
Walk through every greenhouse decision in order — from climate zone and growing goals to glazing, frame material, ventilation, and budget — so you know exactly what to look for before you buy.
How to Start an Herb Garden
Herbs are the easiest place to start growing your own food. Which ones to grow, how to group them so they thrive together, where to put them indoors or out, and how to keep them going through winter.
Assembly Instructions
Available on BILT®
Download the BILT® app for interactive 3D instructions that walk you through every step of assembly with every panel, every screw, visualized in real time.
Plan on a full weekend with two people for smaller models or up to a full week for larger models, depending on experience and pace.
Our cedar and metal greenhouses ship with pre-drilled and labeled pieces. For cedar greenhouses, most owners apply a seal or stain which is easiest to do with the panels laid out flat before assembly, though it can also be done after the build is complete. Sealant is not included.
Box Dimensions
| Box 1 | 91.85 in x 43.94 in x 6.5 in, Weight: 216.05 lbs |
| Box 2 | 91.14 in x 38.15 in x 7.95 in, Weight: 220.46 lbs |
| Box 3 | 91.18 in x 6.06 in x 7.99 in, Weight: 46.3 lbs |
| Box 4 | 92.52 in x 22.28 in x 8.23 in, Weight: 121.25 lbs |
| Box 5 | 92.32 in x 22.01 in x 8.31 in, Weight: 207.23 lbs |
| Box 6 | 69.69 in x 23.19 in x 12.99 in, Weight: 187.39 lbs |
| Box 7 | 20.43 in x 20.43 in x 12.99 in, Weight: 28.66 lbs |
| Box 8 | 90.83 in x 20.43 in x 10.43 in, Weight: 194.01 lbs |
| Box 9 | 92.2 in x 20.98 in x 8.15 in, Weight: 121.25 lbs |
| Box 10 | 92.24 in x 23.19 in x 5.47 in, Weight: 90.39 lbs |
13×11 Bellerose XL Greenhouse Reviews
Reviews
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★★★★★
351 Reviews
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1 – 8 of 351 Reviews
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★★★★★
Just beginning
Abbycat · 3 days ago
Due to winter weather I have not assembled my greenhouse yet. I Need to pour a concrete slab first. I will say the delivery was fast and mine came well packaged. I have opened box one and found the assembly instructions to confirm what size pad I need . I will update when assembled.
✔ Yes, I recommend this product.
Helpful? 👍 (0) 👎 (0)
★★★★★
Great kit
Steveg95 · 4 days ago
Still waiting for concrete to be poured. Very impressed with the online directions and the quality of the materials
✔ Yes, I recommend this product.
Helpful? 👍 (0) 👎 (0)
★★★★★
Beauteous
Floursh · 5 days ago
It’s been a dream of mine to have my own greenhouse and now I do! I am very impressed with the quality and design of this greenhouse. The kit provides a manual that’s easy to read and shows photos of each part needed for each step. I receive compliments each time someone sees it. It may spark others to purchase one for themselves. I’ve referred a few people too. Just seeing it and walking in makes me happy.
✔ Yes, I recommend this product.
Helpful? 👍 (0) 👎 (0)
★★★★★
Things to consider
Rick · 9 days ago
Bought this with anticipation of an easy built, instructions are ok, but frequently the illustrations are backwards, so they need to fix that. Drawings are supposed clear; warning these drawings are troublesome. Alot of gaps and holes in fitments specifically; around the windows and trim, predrilled dont line up. My concern is ice!!! Most of the long boards ie; windows stations and rafters; are twisted or crowned. This makes squaring difficult. Wood is scented soft chinese cedar; considerable softer than north american cedar. Tools; ladders are required at least a ten foot ladder. But you will need two for the peak, which is a cheesy design in itself. Looks pretty nice, but will it last?
✖ No, I do not recommend this product.
Helpful? 👍 (0) 👎 (0)
Response from Creative Backyard Concepts: · 8 days ago
CREATIVE BACKYARD CONCEPTS
Thank you for taking the time to share such detailed feedback. We’re sorry your build wasn’t as smooth as you expected, and we truly appreciate you pointing out the specific areas where you ran into trouble.
Your comments about the illustrations appearing reversed are very helpful, and we’ve passed them along to our product team so they can review and improve the instructions. We also understand how frustrating it is when pre-drilled holes don’t line up and boards arrive twisted or crowned, especially when you’re trying to keep everything square. That isn’t the experience we want for our customers.
We’d love the chance to help. If any boards arrived warped or the fitment issues around the windows and trim are leaving gaps, please contact our Customer Service team at 700-756-4445. We can look into replacement parts and help with any concerns about weatherproofing and long-term durability, including the gaps you mentioned.
★★★★★
Very pleased
Mikey · 10 days ago
It was a joy to assemble. Easy to follow instructions. Apparently well made and looks like it will last and endure the elements a long time. Very pleased.
✔ Yes, I recommend this product.
Helpful? 👍 (0) 👎 (0)
★★★★★
Very pleased Colorado buyer
Mountain Jesse · 22 days ago
I bought my Bellerose 9 x 6 Greenhouse in February 2026. It has sat in my driveway all this time and I am now in the process of building it. Customer Service has been excellent. I requested a replacement board and within two days they FedEx the replacement board. You talk to real life English speaking individual who is courteous, knowledgeable, and very helpful. They included an instructional book in English in Spanish, which is helpful for my Spanish speaking helper. Creative Backyard Concepts Greenhouses has a very large following partly because of their warranty and Customer Care. I am Mountain Jesse because my Greenhouse is located on the side of a mountain, 6000 feet, in Colorado Springs in the Broadmoor area.
✔ Yes, I recommend this product.
Helpful? 👍 (1) 👎 (0)
★★★★★
Fun Hobby
Dennis · 28 days ago
I really like it. Even more than I thought I would. The quality is great. My only complaint is that it gets really hot in the summer. The built-in fan works great, but I added one by the window but still remains too hot. I put a reflective sunscreen over the top which helped, but then it seemed the plants did not do as well. It was great in the spring though and I expect it will be this fall also.
✔ Yes, I recommend this product.
Helpful? 👍 (0) 👎 (0)
★★★★★
Brilliant!
Anna · a month ago
Unbelievably cool. Amazing design. Appreciate exact parameters – people, tools, etc
Originally posted on BILT
Frequently Asked Questions
Do I need a permit to install a backyard greenhouse?
It depends on your municipality — and the answer varies widely. In most jurisdictions, a permanent structure over a certain square footage (commonly 120–200 sq ft) requires a building permit. Some areas require permits for any permanent structure, regardless of size. Temporary or seasonal structures often do not. Check with your local planning or building department before you order. Creative Backyard Concepts greenhouses are designed to meet residential building codes in most jurisdictions when installed on an appropriate foundation — but local permit requirements are your responsibility to verify.
How long does assembly actually take?
Full weekend for small models (9×6, 10×6); up to a full week for the largest (13×11, 14×12, 14.5×12). Mid-size falls in between. Follow the BILT app step by step and it’s a homeowner project — just not an evening one.
Can I grow year-round in cold climates?
Zones 6–8: yes, typically without supplemental heat. Zones 3–5: supplemental heat required for hard freeze nights. PowerPort™ Electrical hub supports grow lights/fans; for heating, use a dedicated circuit with a UL-listed heater — not plug-in space heaters.
Are Creative Backyard Concepts greenhouses rated for severe weather?
Yes — 100 mph wind and 50 lbs/ft² snow load. Most competitors are rated to ~62 mph wind and 16–20 lbs/ft², if they disclose ratings at all. These are engineered structural ratings, not marketing estimates.
Do Creative Backyard Concepts greenhouses come with shelving?
Yes — staging shelves, slat wall, plant hooks, interior spigot, and PowerPort™ Electrical hub are all standard. No add-ons. The price you see is the greenhouse you get.
Does Creative Backyard Concepts offer shade cloth?
Not currently, but it’s in the works. All greenhouses accept aftermarket shade cloth. Install externally for best results; UV-stabilized knitted cloth at 40–50% is a common starting point for hot climates.
What size greenhouse should I buy?
Space and budget decide it. Owners consistently say go one size bigger than you think you need. Small = 9×6/10×6 (~54–60 sq ft); Medium = 11×7/12×7/12×8 (~77–96 sq ft); Large = 13×11/14×12 (~143–168 sq ft).
What R-value should I look for in a backyard greenhouse?
R-2.0 or higher for meaningful season extension. Standard 6mm twin-wall panels deliver ~R-1.6. Creative Backyard Concepts uses 10mm 4-wall polycarbonate at ~R-2.1 — closer to commercial growing spec.
Owner Support
Customer Service Specialists
Greenhouse specialists available 7 days a week, 8am–6pm CST. Real humans who know the product and can answer questions about your specific model and situation.
Call: 700-756-4445, 7 days a week, 8am to 6pm CST
Chat: Monday-Sunday, 8am to 6pm CST
Owner’s Manual
Built with heavy-duty materials, your Creative Backyard Concepts greenhouse is designed for lasting performance. Following a consistent maintenance routine is key to maximizing its lifespan, ensuring safety, and preserving the quality of each session.
Built for Real Weather
Every claim on this page is backed by verified specifications and third-party-tested Pro-Tect™ ratings.
10mm 4-Wall Polycarbonate Panels
Twice the walls and three times the insulating air chambers of standard 4–6mm twin-wall polycarbonate. The same specification used in commercial greenhouses, not entry level kits.
R-2.1 Insulation Value
At R-2.1, our 10mm 4-wall panels hold roughly 30% more heat than the 6mm twin-wall (R-1.6) on most consumer greenhouses. That’s the difference between keeping heat overnight and losing it.
Strength, Backed by Testing
Pro-Tect™ rated to withstand 9,200 lbs of snow load and 100 mph winds, the Bellerose is engineered and structurally tested to perform in real-world weather conditions.
Active Ventilation for Warm Days
Most growers plan for winter cold, but even a mild spring day is the risk that catches people off guard, since a sealed greenhouse can hit 100°F or higher inside. The Bellerose’s thermostat-activated 620 CFM exhaust fan and passive intake vents pull out heat automatically as temperatures rise, even when you’re not there.
Robust Cedar Framing
The FSC-certified, kiln-dried cedar frame delivers structural strength while naturally insulating against cold transfer and resisting rot, decay, and insects. Cedar develops character with age and needs only periodic sealing to maintain its finish.
Everything You Need to Start Growing
Everything here comes standard, not as upgrades or add-ons.
Thermostat-Activated Exhaust Fan
One exhaust fan automatically turns on at your set temperature and vents heat before it builds up, then cycles off once the air cools. No switch to flip, no doors to open.
Operable Windows
Four easy-open casement windows provide passive ventilation and airflow control, while letting in pollinators to help your plants grow and bloom.
Staging Shelves & Slat Wall
48 linear feet of upper and lower staging shelves give you space to start seeds, propagate, and tend potted plants, plus a slat wall that organizes tools, hooks, and planters vertically.
PowerPort™ Electric Hub
The PowerPort™ Electric Hub includes 3 outlets and 3 USB ports, bringing outdoor-rated power access inside the greenhouse for low-draw accessories like grow lights and fans. For supplemental heating, follow the greenhouse manual, heater manufacturer guidance, and local electrical code.
Interior Water Spigot & Hose Included
The exterior inlet connects your garden hose to the interior spigot, and an included collapsible hose lets you water plants inside your greenhouse without hauling a watering can back and forth.
Wide Entry Door
At 36″ wide, it’s sized to roll a wheelbarrow through, so you can move bags of soil, plants, and harvest in and out without unloading first.
Movable Plant Hooks
Eight movable hooks let you hang baskets, dry herbs, or trellis crops anywhere in the greenhouse, ready to reposition as your growing needs change.
Ready-to-Assemble Components
Every piece comes pre-cut, pre-drilled, and labeled, so it’s ready to assemble without any measuring or cutting to do yourself.
Support You Can Rely On
Whether it’s a warranty claim or an assembly question, we’re here to help at every step.
Comprehensive Warranty
Every Creative Backyard Concepts greenhouse kit is backed by a comprehensive 5-year warranty covering the frame, polycarbonate panels, hardware, and every included feature. Replacement parts ship from our U.S. warehouse within 48 hours and stay available for the life of the product.
Real People, Expert Support
Our US-based team of greenhouse specialists is available 7 days a week, 8am–6pm CST by phone, chat, or email. Real people who know the product can help you find the right greenhouse, answer questions, or troubleshoot anything before, during, or after assembly.
Designed to Our Standards
From the materials to the features, every component is designed, tested, and manufactured to our proprietary specifications, ensuring a level of quality and performance that exceeds the market standard.
BILT® Assembly Guidance
The free BILT® app walks you through the entire build, one step at a time, in interactive 3D. Rotate each step, zoom into the joints, and see exactly where every screw goes. Works offline, on iOS and Android.
The Bellerose XL Greenhouse
A walk-in cedar greenhouse with a pergola and over 100 square feet of growing space.
Shop the Bellerose Greenhouse Collection
Cedar greenhouse kits with an integrated pergola, built to extend your growing season in spring and fall.
11×7 Bellerose Greenhouse
A traditional greenhouse, fully equipped with shelving, water hookups, and ventilation that all come standard.
$ 2,999 $ 3,499
9×6 Bellerose Greenhouse – White
With a pergola and white finish, this home greenhouse is perfect for hanging baskets and vertical growing.
$ 1,999 $ 3,299
9×6 Bellerose Greenhouse
Greenhouse kit with a pergola entrance and polycarbonate panels that retain heat for longer growing seasons.
$ 2,499 $ 2,799
Shop All Greenhouse Collections
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Poppy Collection
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