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Vivosun green seed starter kit with clear lid, growing small green plants.
Vivosun green seed starter kits with clear lids and adjustable vents, filled with young plants and soil.
Green Vivosun seed starter tray with dome on heat mat, growing seedlings.
Green VIVOSUN seed starter tray with lid, plants, and gardening tools.
VIVOSUN seed starter kit with heat mat, clear dome, and plants. Features drainage holes.
VIVOSUN seed starter kit with green trays, plants, and images of peppers, mint, strawberries, and tomatoes.
Green VIVOSUN seed starter tray with young plants and a single seedling in a peat pellet.
Vivosun green seed starter trays with humidity domes, 12-cell trays, base trays, garden labels, and tool kit.
Vivosun green seed starter kit with humidity domes, 12-cell trays, base trays, labels, and tools.
Vivosun green seed starter kit with clear lid, growing small green plants.
Vivosun green seed starter kits with clear lids and adjustable vents, filled with young plants and soil.
Green Vivosun seed starter tray with dome on heat mat, growing seedlings.
Green VIVOSUN seed starter tray with lid, plants, and gardening tools.
VIVOSUN seed starter kit with heat mat, clear dome, and plants. Features drainage holes.
VIVOSUN seed starter kit with green trays, plants, and images of peppers, mint, strawberries, and tomatoes.
Green VIVOSUN seed starter tray with young plants and a single seedling in a peat pellet.
Vivosun green seed starter trays with humidity domes, 12-cell trays, base trays, garden labels, and tool kit.
Vivosun green seed starter kit with humidity domes, 12-cell trays, base trays, labels, and tools.
Ask Sage about this product

Vivosun Seed Starter Kits with Humidity Domes

Official VIVOSUN Dealer Model: WEB-SST-0001
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  • Available in 72-cell or 144-cell configurations
  • Heat mat rated for safe operation from 0 to 120 degrees Fahrenheit
  • Adjustable vents built directly into the clear humidity domes
  • 1-year warranty on consumables
  • View More Details

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VOLUME PRICING

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We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

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THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are starting seeds in bulk because mismatched plastic containers make it hard to maintain consistent moisture
  • You are setting up a nursery station because you need to keep your seedlings protected until they are ready for pots

  • We like how these stack up when you are not using them because they save serious shelf space in the gear closet
  • The plastic has enough weight that it does not warp under a heat mat like the flimsy store-bought trays do

  • Users who switched to these say they stopped losing seedlings to root rot caused by stagnant water in the bottom
  • People report that they finally have a reliable way to keep humidity high for difficult seeds to germinate

Vivosun Seed Starter Kits with Humidity Domes

Seeds started in open flats or mismatched containers dry out or stay soggy, and germination ends up patchy and hard to manage. The Vivosun Seed Starter Trays with Humidity Domes give every seedling a controlled start. Each kit pairs 12-cell seed trays with base trays and clear domes that have adjustable vents, so you can hold humidity and temperature steady through germination. Choose the 72-cell kit (6 sets) or the 144-cell kit (12 sets).

Drain holes in every cell release excess water to protect young roots from overwatering. The trays tolerate temperatures from 0 to 120°F, so you can set them on a seedling heat mat without melting or warping. You can sow directly into the cell trays, or skip them and place six 30mm seedling blocks on each base tray for rooter plugs and compost pucks.

Once seedlings are ready, they pop out of the cells easily for transplanting into pots or garden beds. The reusable trays nest together compactly between seasons. Every kit includes garden labels and a tool set, so you can start strawberries, peppers, mint, tomatoes, and more indoors or outdoors right away.

Features

Vivosun seed starter trays with humidity domes
Vivosun humidity dome with adjustable vent
Vivosun 12-cell seed tray and base tray
Seedlings growing in Vivosun seed starter kit
💨
Vented Humidity Domes

Clear domes with adjustable vents dial in moisture and temperature for germination.

🔥
Heat Mat Compatible

Trays handle 0–120°F, so they sit safely on a seedling heat mat.

💧
Built-In Drain Holes

Excess water drains from every cell to prevent overwatering and protect roots.

🌱
Two Ways to Plant

Sow into the cell trays or set six 30mm seedling blocks on each base tray.

♻️
Reusable & Nestable

Durable trays stack compactly for storage and come back out every season.

🧰
Complete Starter Kit

Includes garden labels and a tool set for sowing, tracking, and transplanting.

What's Included

6-Pack (72 Cells)

  • 6x 12-Cell Seed Trays
  • 6x Base Trays
  • 6x Humidity Domes
  • 1x Garden Tool Kit
  • 10x Garden Labels

12-Pack (144 Cells)

  • 12x 12-Cell Seed Trays
  • 12x Base Trays
  • 12x Humidity Domes
  • 1x Garden Tool Kit
  • 10x Garden Labels

Specifications

Specification Value
Kit Options 6-Pack (72 Cells) / 12-Pack (144 Cells)
Cells per Tray 12
Seedling Block Capacity 6 × 30mm blocks per base tray
Humidity Dome Clear, with Adjustable Vent
Drainage Drain Holes in Each Cell
Temperature Tolerance 0–120°F (Heat Mat Compatible)
Base Tray Color Green
Use Indoor & Outdoor
Reusable Yes

Frequently Asked Questions

Should I choose the 72-cell or 144-cell kit? +

The 72-cell kit includes six full tray sets and suits home gardeners starting a few varieties. The 144-cell kit doubles that to twelve sets for larger gardens, succession planting, or sharing seedlings with friends.

Can I put these trays on a seedling heat mat? +

Yes. The Vivosun Seed Starter Trays tolerate temperatures from 0 to 120°F, so they won't melt or warp on a standard seedling heat mat. Bottom heat can speed germination for warm-season crops like peppers and tomatoes.

How do I use the vent on the humidity dome? +

Keep the vent closed to hold in moisture and warmth while seeds germinate. Open it gradually as seedlings emerge to let excess humidity escape and help them adjust to drier air.

Can I use seedling blocks instead of soil? +

Yes. You can sow directly into the 12-cell trays with your starting mix. Or remove the cell tray and set six 30mm seedling blocks, such as rooter plugs or compost pucks, directly on each base tray.

Will overwatering be a problem? +

Each cell has drain holes that let excess water run into the base tray. This keeps the starting mix from staying waterlogged and helps protect young roots.

How do I transplant seedlings out of the cells? +

Once seedlings have a few true leaves, gently squeeze the bottom of each cell to push the root ball out. Then plant it directly into a pot or garden bed.

Can I reuse the trays next season? +

Yes. The durable trays and domes are reusable. Clean them after use and nest them together to save storage space until your next planting.

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Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (360) 800-5535

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