Hydrofarm’s Jump Start Greenhouses will start your plants off right! They are available in 81, 36, or 12 Pellet Greenhouses, and all feature a sturdy vented dome. Jump Start Greenhouses offer fast-expanding, biodegradable pellets, a reusable vented dome that maintains humidity and warmth and a reusable waterproof tray and are excellent for flowers, herbs and vegetables. To find a Hydrofarm Authorized Retailer near you visit http://www.hydrofarm.com/.