Mills Nutrients Start-R
Top Pick
Mills Nutrients

Mills Nutrients Start-R

4.7

Best premium root stimulant for serious indoor gardeners seeking vigorous growth.

A specialized supplement that gives seedlings and young plants a head start by promoting vigorous root development and branching. It combines nitrogen sources with seaweed extracts to build a strong foundation for vegetative growth.

$37.78

In stock

at

Horticulture Source

Who it's for

  • Growers seeking rapid establishment and vigorous early plant growth
  • Gardeners wanting to maximize the efficiency of their feeding schedule
  • Cultivators moving young plants into new or larger growing systems

Who should skip it

  • Budget-conscious hobbyists looking for the most affordable nutrient options
  • Users with limited climate-controlled storage space for garden supplies
  • Novice growers who prefer a simple one-part nutrient approach

Performance breakdown

Root development speed

Seaweed extracts drive aggressive root establishment in delicate young starts.

Excellent

Vegetative vigor

Dual nitrogen sources create a noticeable boost in early branching density.

Excellent

Seedling safety

Gentle formulation minimizes risk of nutrient burn on sensitive new growth.

Excellent

Ease of application

Simple mixing ratios make it approachable for growers of all levels.

Excellent

Nutrient bioavailability

Highly accessible nitrogen compounds ensure rapid uptake during critical growth windows.

Excellent

Transition readiness

Sets a strong structural foundation before plants shift to bloom cycles.

Good

Key Specs

Weight

3.641 lbs

Dimensions

2.42 × 3.79 × 9.78 in

NPK Ratio

5-0-0.5

Nitrogen Percentage

5%

Phosphorus Percentage

0%

Potassium Percentage

0.5%

Package Weight

3.641 lbs

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Mills Nutrients Start-R

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Amazon
Amazon
In stock
$150.00
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Horticulture Source
Horticulture Source
In stock
$37.78
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