Small Greenhouses

Small Greenhouses in Denver, Colorado

Maximize Your Growing Season in Compact Spaces

Discover the perfect solution for compact gardening with our small greenhouse collection. Whether you're working with a smaller Denver backyard, urban lot, or simply prefer a more modest footprint, these small greenhouses offer exceptional performance without taking up too much space. Choose from premium polycarbonate or classic glass models, each designed for durability, insulation, and efficient ventilation.

Why Small Greenhouses Are Perfect for Colorado

Denver's unique climate with 300 days of sunshine, intense UV exposure, sudden temperature swings, and unpredictable spring weather—makes small greenhouses an ideal investment for Front Range gardeners. These compact structures protect your plants from late frosts (common through May), hailstorms, and intense afternoon sun while extending your growing season by 2-4 months.

Key Benefits for Denver Gardeners:

  • Start seeds earlier: Begin tomatoes, peppers, and herbs in March instead of May
  • Protect tender plants: Shield lettuce, herbs, and seedlings from Colorado's temperature fluctuations
  • Year-round growing: Grow cold-hardy greens, herbs, and microgreens through Denver winters
  • Space-efficient design: Perfect for urban Denver lots, townhome patios, and smaller suburban yards
  • Altitude advantage: Maximize Colorado's intense sunlight (25% stronger than sea level)

Small Greenhouse Options

Polycarbonate Small Greenhouses

Our polycarbonate models offer superior insulation and durability—critical for Colorado's extreme weather. Twin-wall polycarbonate panels provide excellent heat retention (important for cold Denver nights) while diffusing harsh sunlight to prevent plant scorching. These greenhouses resist hail damage, withstand heavy snow loads, and maintain structural integrity in high winds.

Ideal for: Year-round growing, cold weather protection, low maintenance

Glass Small Greenhouses

Traditional glass greenhouses provide maximum light transmission and classic aesthetics. Perfect for gardeners who want to showcase their greenhouse as a backyard feature. Modern designs include tempered glass panels and reinforced frames to handle Colorado's weather conditions.

Ideal for: Spring/summer growing, ornamental displays, maximum natural light

What Size Small Greenhouse Do You Need?

6x4 or 6x6 Greenhouses: Perfect for balconies, patios, or tight side yards. Fits 4-8 seed trays or several potted plants. Great for Denver townhomes and urban lots.

6x8 or 8x8 Greenhouses: Our most popular small size. Enough room for shelving, work space, and serious seed starting. Produces enough vegetables to supplement a family's summer meals.

8x10 or 8x12 Greenhouses: Maximum growing space while maintaining a compact footprint. Professional seed starting, herb gardens, and season extension for serious Denver gardeners.

Installation & Assembly in Denver

South Table Sheds offers professional greenhouse assembly throughout the Denver metro area. We handle site preparation, foundation setup, complete assembly, and weatherproofing. Our team understands local building codes, HOA requirements, and proper placement for optimal sun exposure in Colorado's latitude.

Installation includes:

  • Site assessment and preparation
  • Level foundation setup (critical for proper door function)
  • Complete greenhouse assembly
  • Seal and weatherproofing for Colorado conditions
  • Ventilation setup and functionality testing
  • Growing season guidance for Denver's climate zones (5b-6a)

Growing Tips for Denver Greenhouses

Spring (March-May): Start tomatoes, peppers, cucumbers, and squash 6-8 weeks before last frost (typically May 15 in Denver). Protect from unexpected late-season snow.

Summer (June-August): Use shade cloth during peak afternoon sun. Ventilation is critical, daytime temps can exceed 100°F inside greenhouses at Denver's altitude.

Fall (September-November): Extend harvest of warm-season crops and start cool-season greens (lettuce, spinach, kale) that will grow through winter.

Winter (December-February): Grow cold-hardy greens, herbs, and microgreens. Small greenhouses can maintain 20-30°F warmer than outside temps on sunny winter days.

Frequently Asked Questions

Do I need a permit for a small greenhouse in Denver? Most small greenhouses under 120 sq ft don't require permits, but requirements vary by municipality. We help customers understand local regulations.

Can small greenhouses handle Colorado snow? Yes! Our greenhouses are rated for Colorado snow loads. Steep roof pitches help snow slide off naturally. We recommend clearing heavy, wet spring snow promptly.

How much does professional installation cost? Installation pricing varies by size and site conditions. Contact us at 720-656-7313 for a free estimate.

What's the best location in my Denver yard? South or southeast-facing locations with 6+ hours of direct sunlight. We provide site assessment during estimates.

Free Delivery & Expert Support

All greenhouse kits include free delivery throughout the Denver metro area. Our team provides ongoing support, growing advice specific to Colorado's climate, and guidance on maximizing your greenhouse investment.

Ready to extend your growing season? Call 720-656-7313 or request a free estimate today.

Serving: Denver, Lakewood, Golden, Arvada, Littleton, Englewood, Aurora, Westminster, Wheat Ridge, and surrounding Front Range communities.

Shop now at South Table Sheds to find a high-quality small greenhouse that fits your space and your Colorado gardening goals.