Meet Aggie Cold Frame Box
This cold frame box extends the growing season and gives seedlings a protected place to start. Kiln dried timber, diffused glazing and a UV stable finish keep it steady from winter into spring.
Aggie Cold Frame Box
$373.99 USD
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Aggie Cold Frame Box
$373.99 USD
Extends your growing season past frost
Glazing diffuses light across the whole bench
UV stable finish resists fading and chalking
Description
The Aggie Cold Frame Box extends the growing season and gives seedlings a protected place to start. It comes from Backyard Discovery, and it is specified for residential use rather than light seasonal duty.
Kiln-dried timber forms the structure, pre-cut and pre-stained so the assembled result is square and consistent. Glazing is chosen to diffuse light across the whole bench rather than throw hard shadows. The finish is applied for UV stability, so color holds rather than chalking out after a season in full sun. Packaging is organized by assembly stage, which keeps a large parts count from becoming confusing. Fasteners are corrosion-resistant, which matters more over five years than it does on day one. The structure is engineered to shed water and resist standing moisture at the joints, where outdoor builds usually fail first. Hardware is bagged by step, and the instructions are written around the order the parts actually go together. Load paths are worked out in the design, so the assembled unit holds its geometry under wind and snow.
It serves seed starting in late winter, hardening off in spring, and season extension well past the first frost. Plan for a level, well-drained site and a helper for the larger panels.
- Category: Greenhouse
- Primary material: Wood
- Brand: Backyard Discovery
- Assembly: Required; hardware and instructions included
- Use: Residential outdoor
- Shipping: Freight or parcel depending on size
Season extension for a small garden
This cold frame gives seedlings a protected place to start on a patio or small city garden bed, well before the ground outside is ready. Kiln dried timber is pre cut and pre stained so the frame goes together square.
Light spread evenly not in hot spots
Glazing is chosen to diffuse light across the whole bench rather than throw hard shadows, giving seedlings even exposure from edge to edge. The finish is applied for UV stability so color holds rather than chalking out after a season in full sun.
From late winter seeds to fall harvest
It serves seed starting in late winter, hardening off in spring and season extension well past the first frost, stretching a small garden's growing window. Plan for a level site and a helper for the larger panels.
Product details
The Aggie Cold Frame Box extends the growing season and gives seedlings a protected place to start. It comes from Backyard Discovery, and it is specified for residential use rather than light seasonal duty.
Kiln-dried timber forms the structure, pre-cut and pre-stained so the assembled result is square and consistent. Glazing is chosen to diffuse light across the whole bench rather than throw hard shadows. The finish is applied for UV stability, so color holds rather than chalking out after a season in full sun. Packaging is organized by assembly stage, which keeps a large parts count from becoming confusing. Fasteners are corrosion-resistant, which matters more over five years than it does on day one. The structure is engineered to shed water and resist standing moisture at the joints, where outdoor builds usually fail first. Hardware is bagged by step, and the instructions are written around the order the parts actually go together. Load paths are worked out in the design, so the assembled unit holds its geometry under wind and snow.
It serves seed starting in late winter, hardening off in spring, and season extension well past the first frost. Plan for a level, well-drained site and a helper for the larger panels.
- Category: Greenhouse
- Primary material: Wood
- Brand: Backyard Discovery
- Assembly: Required; hardware and instructions included
- Use: Residential outdoor
- Shipping: Freight or parcel depending on size
- Glazing diffuses light evenly across the whole bench
- Finish holds color instead of chalking in sun
- Packaging organized by assembly stage for clarity
- Corrosion resistant fasteners built for years of use
- Engineered to shed water at every joint
- Load paths worked out to hold geometry under wind
Specifications
- Dimensions
- Overall | 48 x 28.75 x 32 in | 94.79 lbs
- Footprint
- 48 x 28.75 in
- Material
- Kiln dried timber
- Weight
- 94.79 lbs
- Assembly
- Required, hardware and instructions included
- Brand
- Backyard Discovery
Warranty
5 year warranty
Care and cleaning
Wipe glazing and timber with a damp cloth and mild soap between seasons. Check joints and hardware before each new growing season for wear. Keep the site level and well drained so water does not collect at the base.
Shipping
Rates and timing shown at checkout
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Returns
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Questions before you buy
What is a cold frame used for?
It gives seedlings a protected place to start earlier in the season and lets you harden off plants in spring, extending a small garden's growing window well past the first frost.
Will seedlings get even light?
Yes. The glazing is chosen to diffuse light across the whole bench rather than throw hard shadows, so plants across the tray get even exposure.
How well does the finish hold up?
The finish is applied for UV stability, so color holds rather than chalking out after a season in full sun, and fasteners are corrosion resistant for the long run.
How hard is it to assemble?
Assembly is required, but packaging is organized by stage and hardware is bagged by step. Plan for a level site and a helper for the larger panels.
Will it hold up outdoors year round?
Yes. The structure is engineered to shed water and resist standing moisture at the joints, where outdoor builds usually fail first.
How does it handle wind and snow?
Load paths are worked out in the design, so the assembled unit holds its geometry under wind and snow rather than shifting out of square. Structural connections and hardware are bagged and organized by assembly stage, which is the same care that carries through into how it stands up to weather.
What surface does it need to sit on?
A level, well drained site is what it wants, since the structure is engineered to shed water and resist standing moisture at the joints, where outdoor builds usually fail first. Getting the base level before the build keeps the panels square once assembled.
Can it be moved to a different spot later?
It is a freestanding structure rather than one fixed into a permanent foundation, so relocating it if your garden layout changes is possible. The same site needs apply wherever it goes, a level well drained spot and a helper for the larger panels.
What should I check before each growing season?
A quick look over the hardware and joints before the first seeds go in catches anything that shifted over winter, since those connections are what keep the structure square and weathertight. Confirming the site still drains well is worth a minute too.
How many seed trays or plants does it hold?
It is sized as a cold frame for seed starting and hardening off rather than a full walk in greenhouse, giving a bench worth of seedlings even light across the whole space rather than hot spots and shadows. It suits getting a meaningful batch of starts going in late winter rather than just a handful of pots.
Durable materials
Long lasting and built for the outdoors
Timeless designs
Pieces that still look right in ten years
Straightforward setup
Clear instructions and accurate sizing