Spring Kickstart Kit
$64.80 $72
(2) 42.3 oz liquid lawn fertilizers, (1) 5 oz weed control concentrate
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Your lawn's annual whole spring game plan, in one box.
Fertilizer for growth and deep green, weed control that works fast, and the tools to make it easy. Everything your lawn needs annually to bounce back from winter.
Free shipping! Ships in 1-2 business days
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Expert-approved essentials
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The post-winter comeback your lawn needs
Grass Machine delivers nitrogen, iron, and seaweed to get things growing again. Iron Boost brings our highest iron concentration for color so deep your neighbors will notice (and pretend not to). Dandelion Doom handles broadleaf weeds without bothering a single blade of grass.
One box. One season. Your lawn handled.
The good stuff inside
- Growth + resilience Grass Machine (15-0-3) fuels thick, healthy turf
- Deep greening Iron Boost (20-0-1) for lawns that need extra color
- Lawn-safe weed control
- Precision tools Wand sprayer and pouch for easy, targeted spot treatment
- Easy application Attach, spray and you’re done
How to use
Apply early morning or evening, between 50–85°F, to a hydrated lawn.
- Mix Dandelion Doom in the herbicide pouch, fill to the 1-gallon line, shake gently.
- Attach wand sprayer, target weeds directly. Let dry. Repeat in 3–4 weeks if needed.
- Attach hose-end sprayer to Iron Boost fertilizer pouch, spray your lawn evenly.
- Reapply fertilizer every 4–6 weeks, alternating Grass Machine and Iron Boost.
Automatically renewals annually.
Want to test your soil? Sign up for a Custom Lawn Plan instead.

Spring Kickstart Kit Instructions
This kit provides iron-powered weed control alongside nitrogen- and seaweed-boosted fertilizer for lawns up to 5,000 sq. ft. Learn how to apply your kit in the correct order to get a greener lawn this spring.
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