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🌿 Grow smarter, not harder — your seedlings’ VIP greenhouse awaits!
The RooTrimmer 4-Pack Seed Starter Trays feature extra-tall 5-inch clear humidity domes with adjustable vents, crafted from durable, weather-resistant plastic. Designed for indoor and outdoor use, these medium-sized trays support up to 12 lbs and provide an ideal environment for fast, healthy seedling growth. Perfect for microgreens, herbs, and container gardening, this reusable kit offers superior humidity and temperature control to reduce transplant shock and boost germination success.




























| ASIN | B0BXWVTHJ6 |
| Best Sellers Rank | #5,758 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #44 in Plant Germination Trays |
| Brand | RooTrimmer |
| Capacity | 15.3 Inches |
| Color | Black and Clear |
| Customer Reviews | 4.6 4.6 out of 5 stars (383) |
| Date First Available | March 9, 2023 |
| Finish Type | Natural |
| Included Components | Humidity Dome |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Item Weight | 3.41 pounds |
| Item model number | 10x15 Tray+Dome |
| Manufacturer | JSGROWGREEN |
| Material | Plastic |
| Mounting Type | Floor Standing |
| Number of Levels | 1 |
| Number of Pieces | 4 |
| Pattern | Solid |
| Planter Form | Tray |
| Product Dimensions | 12"D x 16"W x 7"H |
| Set Name | 4-Pack |
| Shape | Rectangular |
| Size | 4p Trays+Domes |
| Special Feature | 1015 Seed Starter Trays, 2 Adjustable Air Vents, Heavy Duty Watering Trays, Higher 5 Inches Domes |
| Style | Garden |
| Theme | Floral, Fruits, Vegetable |
| UPC | 762704202448 |
S**E
Great seed starter kit
This seed starting tray is excellent quality, and not at all flimsy like the Jiffy brand. The tray has deep cells that are perfect for plant that have long roots, such as milkweed for monarch butterflies. The dome top is very elevated to give plants room to grow. These will last a long time. I have this one in my greenhouse on a heat mat. This seed starting kit is worth the money!
G**S
A must have for seed starting. Perfect for starting seeds indoors in spring time!
The best seed starter trays I have owned. I have bought several brands of seed starter trays these are the best, thick plastic trays that down melt and warp in the sun. The plastic dome lids are really nice with adjustable air vents at the top perfect for accumulating your sprouts to different humidity levels. The domes are also taller than others I have owned which makes it nice your seedlings have more room to grow. If you like starting seeds indoors starter trays buy these you won’t regret it. I will be purchasing another set come spring.
R**N
Great trays!
Nice sturdy trays that are deeper than the usual trays. Build quality seems great and domes actually snap and stay on! Work great and are definitely worth the extra coin !
R**S
They seem fairly sturdy, but they do not have cell trays
maybe it’s on me, but a lot of the photos seem to suggest that this comes with cell trays; however, it doesn’t. Overall, the quality is pretty decent. They feel like the hold up, even though they’re not quite perfect. I love that the tops are so tall, these would be perfect for acclimating plants. But they just don’t come with cell trays. It’s hard to tell the quality of the lights, I don’t have a spectrum meter or anything of the sort. I don’t think the timers are super accurate, but they’ll do. I actually intend to put this in a grow tent with lights that are on timers for my tissue culture acclamation. The tall trail will allow banana plants to fit fine, as they can grow pretty quickly in some cases. I’m debating whether I want to keep them or return them, I think I’ll keep them and just use my little 3 in. square nursery pots.
J**D
Sturdy and well designed to prevent leakage around the lid.
So far I have been very impressed with this product. I can put 20 seedlings in small yogurt cups without crowding. The lid design is fantastic and I no longer have water dripping all over the table top where I put my seedlings in indoors. Which makes my wife very happy. Now all the condensate drips back into the basin instead of all around the edge of the lid. The vent on top is a great add-on since you don't want your plants being too moist once they have popped up. I start all my garden plants from seeds, and these trays and lids are perfect. They are also sturdy enough that I can haul the seedlings in and out when I harden them before planting in the garden. I've used the cheap, flimsy seed starters from Walmart in the past. But I took those to the dump as soon as I started using these. I highly recommend this product for anyone that grow garden plants from seeds.
K**L
Heavy plastic
These are very nice. Heavy plastic, I believe they will last for awhile.
R**G
Exactly What I was hoping For
Sturdy and a nice size for starting seeds in an indoor greenhouse. The humidity domes are also quite rigid which was a nice surprise - These should last many years. I am able to fit 3 side by side on an amazon basics 5 shelf wire storage unit. The last lid pops up a little but just barely.
K**A
Excellent quality
These are well made, sturdy trays! They will last several years
W**.
Sehr gut und preiswert dazu ! 😉