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Jiffy Professional Greenhouse

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SKU
250370
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  $17.99

Description

Jiffy, Professional Greenhouse Kit, Contains 11" x 22", Plastic Tray, 72 Jiffy-7 Pellets, Plastic Dome With Special Edge Allows Condensation To Drip Inside, Complete Greenhouse To Start Seeds, Includes Superthrive A Kelp Based Plant Vitamin & Plant Markers.

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Gertens is one of North America’s largest garden centers and home to Minnesota’s largest selection of annuals, perennials, natives, houseplants, trees, shrubs, and evergreens.  We’ve been “Growing in the Grove” in Inver Grove Heights since 1921 and our campus now covers over 100 acres of shopping and growing facilities. Gertens is still a family-owned business with a focus on giving customers the ability to buy high-quality plants and trees directly from a local grower.  After all, IT'S ONLY NATURAL TO BUY FROM THE GROWER.

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Details

Jiffy, Professional Greenhouse Kit, Contains 11" x 22", Plastic Tray, 72 Jiffy-7 Pellets, Plastic Dome With Special Edge Allows Condensation To Drip Inside, Complete Greenhouse To Start Seeds, Includes Superthrive A Kelp Based Plant Vitamin & Plant Markers.

More Information

Brand Jiffy

Product Questions (15)

Plants growing in pots should be repotted when the roots start growing out of the drain holes. Typically, the new pot should be just one size larger than the pot it’s been growing in. Never use garden soil in a pot. Always use a soilless container mix...
Starting times will vary depending on the vegetable you are growing. Each seed packet will have specific sowing instructions for that type of vegetable. Some plants, such as tomatoes and peppers, should be started indoors, 6-8 weeks before the last frost...
The process of bringing seeds outside is called hardening off. Hardening off is generally done sometime after the seedling has two full sets of normal leaves. In Minnesota, you want to begin hardening off seedlings in late April/early May.  To ...
If you have a southern facing window with all day sun, you may grow seedlings in a windowsill. Be sure to rotate the seedlings frequently to ensure the plants do not lean heavily towards the sun. For more even results, use a grow light, positioned roughly...
We recommend using either high intensity T5 fluorescent bulbs, or LED grow lights. Both setups will produce excellent results. T5s are the typical grow light, are economical and come in frequencies that are helpful for plant development. LED technology...
Grow lights should be kept roughly 4-5” above the top of seedling leaves. If you are using very powerful LEDs, you could even keep them 8-10” away.
Grow lights should be used to mimic a natural sunlight cycle for plants. We recommend using them 12 hours a day, from roughly 7am to 7pm.  
A variety of seedling trays exist for seed starting. If you are starting smaller seeds, a simple peat cell tray works great. However, the larger the seed, the larger the initial pot should be. If you are starting larger seeds indoors such as: sunflowers...
Do not start any type of fertilizer regime for young seedlings until they have at least two full sets of regular leaves. Start with a root stimulator, then after a month you may move on to a gentle, weak (half strength) water-based fertilizer. Remember...
Let the roots tell you when to transplant. When you begin to see the seedling’s root growing out of the bottom of their current pot, it is time to transplant up to something larger. We recommend using a 4” nursery pot to transplant most seedlings. In...
Gertens carries a wide variety of both spring and autumn planted bulbs. Spring planted bulbs, such as gladioli and dahlias, are best started indoors in early April, and planted outside once the soil temperatures are above 55 F. Autumn planted bulbs, ...
The big three tips are: 1) Staking and training 2) Feeding and watering and 3) Harvesting and enjoying. 1) Keeping plants trained and staked allows air circulation around crops and provides much-needed support for produce as it grows...
Yes, there are pots that can stay outside year-round. If you are looking for planters which can be set outside even in winter, take a look at Gertens’ assortment of wooden barrels, ...
Water the plant to be transplanted thoroughly. Next lay the plant on its side over some newspaper. Slide the plant out of its’ pot. Gently loosen any rootbound roots, tearing them apart. Next fill in your new pot partially, with your selected soil. Place...
Plastic pots are inexpensive, some in a huge range of sizes and colors, remain relatively cool throughout the growing season, and have excellent water retention. Terra Cotta pots are also more budget friendly and are...

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November 23, 2020
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