Cold frames and greenhouses sized for Canadian raised beds – built for frost, wind, and shoulder-season weather.
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Grow Earlier. Harvest Longer. In Canada.

Cold frames and greenhouses sized for Canadian raised beds – built for frost, wind, and shoulder-season weather.

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EARLY SPRING · LATE FALL

From our Facebook group to your backyard in 3 steps

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Join our Facebook group for member pricing. its a canada gardening group

Join our Facebook group for member pricing

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Book a warehouse in our house backyard open day for our cold frame

Book a warehouse open day

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Pick up in Vancouver or ship across Canada for our cold frame or greenhouse, dont put too many on pic\

Pick up in Vancouver or ship across Canada

1
Join our Facebook group for member pricing. its a canada gardening group

Join our Facebook group for member pricing

2
Book a warehouse in our house backyard open day for our cold frame

Book a warehouse open day

3
Pick up in Vancouver or ship across Canada for our cold frame or greenhouse, dont put too many on pic\

Pick up in Vancouver or ship across Canada

Join us

Best Sellers

The Horticubic YMX-01 cold frame is a compact, DIY polycarbonate cover for balconies, patios, and small raised beds. With UV-stabilized panels and an aluminum frame, it helps extend the growing season in Canada by 3–4 weeks — like a mini greenhouse cover made for tight spaces. Compact footprint—ideal where space is tight; easy to move and store. 20-minute DIY assembly for two people with basic tools. UV-stabilized 4 mm polycarbonate panels for light diffusion and warmth. Aluminum frame—corrosion-

YMX-01 Cold Frame for Small Raised Beds

Horticubic

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The YMX-02 cold frame is a wider format that fits common 4×4 raised beds. This durable polycarbonate cover gives reliable season extension in Canadian backyards — without the cost or space of a full greenhouse. Wider footprint—optimized for 4×4 raised beds. UV-stabilized 4 mm polycarbonate for heat retention and light diffusion. Aluminum frame resists corrosion and requires minimal maintenance. 20-minute DIY assembly with basic tools; beginner-friendly. Start earlier in spring and protect crops in fal

YMX-02 Cold Frame for 4×4 Raised Beds

Horticubic

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The YMX-03 cold frame features a taller lid for seedlings and vertical crops. Choose 4 mm or 6 mm polycarbonate, both UV-stabilized, on a reinforced aluminum frame — a sturdy, small-footprint alternative to a mini greenhouse. Tall opening—extra headroom for tomatoes, peppers, and starter trays. Optional 6 mm polycarbonate for improved insulation. Reinforced frame designed for wind and light snow conditions. DIY assembly—~20–30 minutes for two people. Excellent season extension for cooler reg

YMX-03 Cold Frame — Tall Lid for Seedlings & Vertical Growth

Horticubic

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The flagship YMX-06 cold frame is built for 4×8 raised beds and maximum yield. With 6 mm polycarbonate panels and a reinforced aluminum frame, it’s the go-to season-extension solution for serious home gardeners in Canada. Optimized for 4×8 raised beds—wide access and excellent coverage. 6 mm UV-stabilized polycarbonate for superior insulation and durability. Reinforced frame—wind/snow ready; low maintenance. DIY greenhouse-style kit—20–30 minutes for two people. Start early, finish late—gain 3–4

YMX-06 Cold Frame for 4×8 Raised Beds (6 mm Polycarbonate)

Horticubic

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Thicker 6 mm polycarbonate, reinforced frame, perfect fit for 4×8 raised beds.

The 4×8 Favorite: YMX-06

Thicker 6 mm polycarbonate, reinforced frame, perfect fit for 4×8 raised beds.

View YMX-06

Stock status: In stock | FREE shipping

Why Canadian gardeners choose Horticubic?

Durable polycarbonate, fast DIY assembly, and Canada-only shipping from BC. Paired with drip irrigation and shade, our YMX cold frames deliver dependable season extension.

Greenhouse

Our Premium Greenhouse offers thicker 6–8 mm polycarbonate or tempered glass on a reinforced aluminum frame—ideal for growers who want better insulation, strength, and long-term durability in Canada. Reinforced aluminum frame—wind/snow tested; long-lasting performance. 6–8 mm UV-PC or tempered glass for higher insulation and clarity. Large interior volume; optional glass wall and roof vent packages. Highly customizable width, height, and doors to fit your backyard layout.

Premium Greenhouse — Reinforced Frame with 6–8 mm PC or Tempered Glass

Horticubic

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A dependable backyard greenhouse kit with an aluminum frame and UV-stabilized 4 mm polycarbonate panels. Choose from multiple sizes to fit your garden when a cold frame isn’t big enough. Aluminum frame + 4 mm PC panels—balanced strength and light diffusion. Screw-less easy assembly—designed for DIY installation. Sliding or hinge door options; add roof/window vents for airflow. Wind/snow ready with proper anchoring; low maintenance for Canadian climates.

Standard Greenhouse — Aluminum Frame & 4 mm Polycarbonate

Horticubic

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Season-Extension Bundles

Seedling Essentials — Shelving + Soil Thermometer

Horticubic

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Irrigation & Shade Combo — Drip Kit + Shade Cloth 4×8

Horticubic

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Full Accessory Kit — Shade + Drip + Shelving + Soil Thermometer

Horticubic

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4×8 Raised Bed Accessory Bundle — Shade + Drip + Thermometer

Horticubic

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Irrigation, Shade & More

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Soil Thermometer

Horticubic

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A breathable, UV-resistant shade cloth sized for 4×8 raised beds and the YMX-06 cold frame. Protect tender crops from midday heat while maintaining airflow—great for summer greens and seedling hardening-off. Heat stress reduction for lettuce, herbs, and young plants. Use over a cold frame or on hoops directly on the raised bed. Easy on/off as weather changes; cut-to-fit friendly.

Shade Cloth 4×8

Horticubic

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The Horticubic Inner Shelving Set adds organized vertical space inside compact greenhouses and tall cold frames such as YMX-03. Keep seed trays, pots, and tools within reach while freeing up your floor area. Steel shelves with a durable finish; easy to wipe clean. Modular layout for trays, seedlings, and hand tools. DIY install with included hardware; compact footprint.

Inner Shelving Set

Horticubic

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A DIY drip irrigation kit designed for raised beds and cold frames like the YMX-06. Get even watering with low flow, reduce evaporation, and keep foliage dry—ideal for 4×8 and 4×4 raised beds across Canada. Consistent moisture for seedlings and mature crops; fewer stress swings. DIY assembly with basic tools; quick to install and expand. Works under cold frames and inside compact greenhouses. Flexible layout for single or multiple beds.

Drip Irrigation Starter Kit

Horticubic

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The stories behind the products

Democratic design dispatches straight from the heart of Älmhult.

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Cold frame or greenhouse?

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