Ventilated Greenhouse 2" Dome Lid

The Ventilated Greenhouse 2" Dome Lid creates an ideal mini greenhouse environment for seed starting during cool weather, helping maintain warmth and humidity while allowing full light penetration for strong, healthy seedlings. Its two adjustable vents give you precise control over airflow to reduce excess moisture and prevent fungal problems, ensuring a balanced growing climate for germination success.

Durable and reusable, this clear plastic dome is designed to fit the Greenhouse Tray (GP345), making it a dependable component of your seed-starting setup. Pair it with our Quick Start Growing Kit for a complete, efficient seed-starting system. For taller seedlings or plants, you can also choose the 7" Dome Lid for additional height.

Perfect for home gardeners and small farmers practicing sustainable growing, this dome works well with organic soils, compost-based mixes, and biodegradable seed cells. For even greater success, explore our fertilizer and growing supplies to give your seedlings the best start. Its simple, lightweight design helps extend the growing season naturally—without the need for costly heating systems—making it a smart choice for soil health and plant care.

• Type: Ventilated greenhouse dome lid
• Fits: Greenhouse Tray (GP345)
• Material: Clear durable plastic
• Vents: Two adjustable top vents for airflow control
• Best For: Seed starting in cool weather
• Benefits: Retains warmth and humidity, promotes healthy germination