B5 Seed Starter Tray Kit – 200-Cell Set with Humidity Domes & Bases for Indoor Gardening & Greenhouses

Get your seeds ready for the spring! This complete B5 Seed Starter Tray Kit helps you grow strong, healthy seedlings with minimal effort. With a total of 200 cells across multiple tray sizes, it’s perfect for indoor gardening, greenhouses, or small-space growers looking to jump-start their garden.

Why You’ll Love It:

• 2 Tray Sizes to Fit Your Growing Needs
  Choose from 15-cell and 40-cell trays—designed to balance growing space with seedling quantity. Ideal for everything from small herbs to larger vine crops.

• 40-Cell Trays (1.4" per cell)
  Best for high-volume planting and early season crops like peppers, cole crops, and vine plants (transplant vine plants earlier for best results).
  Recommended for: Cabbage, Kale, Mustard, Kohlrabi, Broccoli, Brussels Sprouts.

• 15-Cell Trays (2.25"x2.25")
  Provide more room for root development, making them ideal for plants sensitive to transplant shock.
  Recommended for: Tomatoes, Cucumbers, Melons, Squash, Pumpkins, Flowers.

• Promotes Healthy Growth
  Adjustable humidity domes create a greenhouse effect for faster germination and moisture control.

• Heat Mat & Grow Light Compatible
  Use with heat mats or under grow lights for consistent, year-round seed starting success.

• Ultra-Durable & Reusable
  Made from strong, reusable plastic built to last through multiple seasons.

✅ Key Benefits:

• Encourages strong root development

• Customizable tray sizes for different plants

• Compatible with heat mats and grow lights

• Keeps seedlings organized and thriving

• Easy to use—perfect for beginners and pros alike

Grow healthy, efficient, and stress-free plants—right from seed—with the B5 Seed Starter Tray Kit. Whether you're planning a veggie garden or starting flowers early, this kit gives your plants the best start possible.