Hydrofarm 4-foot Jump Start Grow Light System

by Hydrofarm
Today: $95.99
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ITEM# 13984084
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    • Warranty
      Included Warranty: 1 year Limited Manufacturer
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    ITEM#: 13984084

    Enjoy fresh vegetables, berries, and flowers all year long with this Grow Light System from Hydrofarm. Ideal for seedlings, cuttings, flowers, and houseplants, this 4-foot wide lighting system provides 15- to 20-percent more lumens than regular grow lights, helping plants grow even faster. Extremely easy to assemble, this grow light system will help you get your own greenhouse started in no time. 

    • Grow light system
    • Made of plastic and metal
    • Grounded
    • Includes on/off switch
    • White shades
    • Single light with a 54-watt bulb included
    • Covers growing area of 31 inches x 18 inches x 50 inches
    • Measures 8.5 inches long x 53 inches wide x 7.5 inches high

    Assembly Required


    Material Plastic
    Color Black
    Dimensions 8.5 inches long x 53 inches wide x 7.5 inches high
    Warranty 1 year Limited Manufacturer
    Model Number JSV4
    Country of Origin China

    Customer Reviews

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    • Most Recent

    • Love
      Verified Purchase

      Love this system, I bought the white folding table too and I am growing seeds and plants from starts of my plants!

      Read More
    • Hydrofarm Jump Start Grow Light System 4'
      Verified Purchase

      For what I needed this was a great item!!!!

      Read More
    • Awesome system that is sturdy and works
      Verified Purchase

      I bought this to start my garden plants indoors. This works,great and produces results. I am impressed and will use this every year

      Read More
    • Worked for a week
      Verified Purchase

      Light went out within a week. Thought it might be a damaged bulb and eventually bought another. Still never worked.

      Read More
    • Great little unit I can move to any location.
      Verified Purchase

      I use this to catch the "overflow" from starting seeds indoors during the winter. I like that I can raise and lower the light. I'm pleased with the purchase.

      Read More
    • Most Helpful

    • Exactly what I wanted!
      Verified Purchase

      I did a lot of research before buying this system. It arrived securely packaged, assembled quickly and functions simply and easily. Most importantly, my seedlings this year are the healthiest I've ever started. I am very pleased with this purchase.

      Read More
    • Sturdy Stand, easily assembled
      Verified Purchase

      I am a 67 year old grandmother and was able to assemble this by myself following the directions in under an hour. It took me a few minutes to realize I had to remove the blub and pull off the foam holders that protected the blub from jostling and then replace the blub before it would light. I have been using it for 6 days and have seedling sprouting.

      Read More
    • Nice Grow Light
      Verified Purchase

      For some reason I thought there would be two bulbs in this light. However, I think the grow light is good. It is what I expected otherwise. If I were to buy this again, I think I'd buy two 2-foot grow lights instead of this long one.

      Read More
    • Hydrofarm Jump Start Grow Light System 4'
      Verified Purchase

      I originally purchased one of these a few months ago from a different web site and was so happy with it that I decided to order another one and thankfully Overstock.com had it in the lowest price range that I was looking for. I was pleasantly surprised that the stand was a little taller than the 1st one that I bought and the lighting system works well allowing me to start my vegetable garden seeds indoor early. Otherwise I would have to wait until May to plant my seeds given the long New England winters. I liked this system so much that I purchased one for my brother-in-law, for Christmas, who is also an avid gardener.

      Read More
    • A good little light
      Verified Purchase

      I set up the grow-light and ballast and purchased 2 trays of Jiffy starter squares and some organic 'strating' soil. I also purchased a timer and have the timer programmed to have the bulb running 18hrs a day. The sprouts are coming out very quickly and easily overtook the plants I placed outdoors almost two weeks earlier. I would recommend that if you have the indoors, get a "space" blanket to put over the light and ballast system because the light is very strong. Happy growing!

      Read More

    Questions & Answers

    • Q:

      "Will this take 220-240 voltage or is it only 100-127 volt compatible?"

      • A:

        It will probably short out if you up the voltage. It works fine on 110.

    • Q:

      "I am confused about what the width and height of the frame is. I am not sure if it is suppose to fit on my table or on the ground."

      • A:

        It is long. You could put it on a table, but it will take up most of the table. i have it sitting on the floor on a piece of plywood, and that works perfectly for me.

    • Q:

      "Why did you choose this product?"

      • A:

        Internet search. Customer Comments

      • A:

        Free Shipping

      • A:

        I grow my own vegetables year round and these lights work wonders!

      • A:

        Good reviews

      • A:

        to germinate seeds indoors before the ground is thawed

      • A:

        Sprouting vegetable and native plant seeds.

      • A:

        I liked the price. This is my second season with the Jump Start. I use it in conjunction with heat mats to germinate seeds inside to move outside to my vegetable garden in the Spring. It's perfect for that. I really like that the light adjusts up and down, so you can change the height of the light as the plants grow. The adjuster works about like the cord on a mini-blind. You stop the light at the height you choose.

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    Contact Information

    Usually leaves our warehouse in 1-2 business days. *

    Shipping Information:

    Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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    FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

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    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.