When people compare cedar greenhouses, it can be easy to assume they are all designed to meet the same needs. In practice, these products often serve very different types of gardeners. Some greenhouses are built to be budget-friendly and easy to assemble, while others are designed for long-term use by growers who prioritize durability, insulation, and performance across seasons.
This comparison looks at Charley’s Heritage Wood Greenhouses, using the Alpine Insulated Cedar as an example, alongside Yardistry cedar greenhouse kits commonly sold through Costco. While both use cedar framing, they differ in the type of cedar used, how the structures are built, where they are manufactured, insulation ratings, and other factors that affect long-term performance. Charley’s Heritage Wood Greenhouses are handcrafted in the USA using hand-selected Western Red Cedar, a wood species widely known for its resistance to moisture, insects, and harsh weather. Yardistry greenhouses typically use the softer/lighter Eastern White Cedar and are manufactured overseas as standardized DIY kits.
Because these products are designed with different priorities in mind, comparing them directly without context can be misleading. The goal of this post is not to argue that one greenhouse is universally better than the other, but to clearly outline commonly listed features so gardeners can understand how each option is built and decide which approach best aligns with their experience level, climate, and long-term growing goals.
Below is a high-level feature comparison to help illustrate how these two greenhouse styles typically differ.
| Spec | Charley’s Heritage Cedar (Alpine Insulated Cedar example) | Yardistry Cedar (Meridian/Cedar Garden style kits) |
| Positioning | Premium, handcrafted in the USA, made-to-order cedar greenhouse for year-round growing | DIY kit greenhouse with standardized sizes and included features |
| Frame material | Hand-selected Western Red Cedar (STK grade); (Charley’s Greenhouse & Garden) |
100% premium Eastern White Cedar lumber (pre-finished / pre-stained on some models) (YardistryStructures.com) |
| Glazing | Insulated polycarbonate standard on the Alpine (16mm triple wall walls with 16mm 5-X Wall roof). Double-pane safety glass upgrade available (Charley’s Greenhouse & Garden) | Double-wall polycarbonate (YardistryStructures.com) |
| Insulation focus | Explicit R-values listed for roof (R 2.78) and walls (R 2.5) in the Alpine listing; built for energy efficiency (Charley’s Greenhouse & Garden) | Notes “better insulation than single-wall” polycarbonate, but no R-values shown on the page excerpt (YardistryStructures.com) |
| Base / Pony Wall | Pony Wall configuration available for added insulation (Alpine) (Charley’s Greenhouse & Garden) | Tongue-and-groove style cedar base walls (YardistryStructures.com) |
| Ventilation | Thermostat-controlled exhaust fan + motorized shutters (solar panel exhaust fan system upgrade available) (Charley’s Greenhouse & Garden) | Automatic roof vent opener + louvered base wall vent (YardistryStructures.com) |
| Door | Alpine: Cedar Dutch Door Woodland: Aluminum Storm Door w/ vent screen (Charley’s Greenhouse & Garden) |
Cedar door with latch/closer and hold-open feature (YardistryStructures.com) |
| Sizes (typical) | 8×8 up to 12×20 (Charley’s Greenhouse & Garden) | Common sizes shown: 6.7×6, 6.7×7.8, 6.7×9.7, plus other standard options (YardistryStructures.com) |
| Customization | Heritage line is positioned as made-to-order; Alpine has selectable size, pony wall option, and glazing choice (Charley’s Greenhouse & Garden) | Mostly fixed configurations by model; some listings mention DIY stain options (YardistryStructures.com) |
| Country of Origin | Made in the USA. Handcrafted in Mount Vernon, WA |
Made in China (Costco.com) |
| Assembly | Pre-cut and pre-drilled modular assembly with illustrated directions (Charley’s Greenhouse & Garden) | Pre-cut and pre-drilled, illustrated instructions + install “helpful hints” video mentioned (YardistryStructures.com) |
| Warranty (as listed) | 10-year glazing warranty (Alpine listing) (Charley’s Greenhouse & Garden) | 1-year workmanship/defects + 5-year lumber (rot/decay) per Yardistry warranty text (YardistryStructures.com) |
Specifications are based on publicly available product listings and may vary by model or year. Brand names and trademarks belong to their respective owners and are used here for identification purposes only.
Choosing a greenhouse often comes down to balancing priorities. For some gardeners, a lower upfront cost and a pre-manufactured ready-to-assemble kit make the most sense. For others, especially seasoned growers, factors like wood durability, insulation ratings, customization, and long-term performance carry more weight than initial price.
Another consideration is the level of support you want along the way. Some gardeners prefer having access to a small, knowledgeable team they can reach out to with questions before and after purchase, whether that is about sizing, climate, assembly, or growing plans. Others are comfortable navigating the process on their own. Both approaches can work well, depending on what kind of experience you are looking for.
There is no single right answer. If you are deciding between these options, it helps to think about how long you plan to use your greenhouse, how demanding your local climate can be, and whether you are looking for a short-term solution or a structure built to grow with you over many seasons. Our hope is that this comparison helps provide clarity so you can choose the option that truly fits your needs.
