Fertilome Root Stimulator 4-10-3

As low as $19.99
Availability: In stock
  • Formulation: 4-10-3 Plus B-1 + Surfactant
  • Use every time you plant trees, shrubs, roses, annuals, and perennials to stimulate early root formation and stronger root development
  • Reduces transplant shock and promotes greener, more vigorous plants
  • Also contains B-1, Indole, Butric Acid, and wetting agent
  • Application rate:
  • Flowers, shrubs, and trees: 3-1/2 tablespoons per gallon of water. mix 1-8 pints per plant transplanted
  • Houseplants: 1/2 cup per quart of soil(a 6 in. pot holds approximately 1 quart of soil)

Application Instructions for Flowers, Shrubs & Trees:

Use from 1-8 pints of diluted mixture per plant depending on size. For example, 1 pint of the mixture on Mums, Geraniums and other Annual Flowers. For Rose bushes and Camellias, use 3 pints per plant. For larger than 4 foot plants (trees and large shrubs), use 1 gallon of the mixture per plant. Pour diluted solution over the soil as the roots are being covered, making sure that the roots are wet with the solution. Wet soil around plants with water after planting.

Application Instructions for Houseplants:

Use ½ cup diluted solution per quart of soil (a 6 inch pot holds approximately 1 quart). NOTE: Solution is a root stimulator and should not be applied to plant’s foliage as a fertilizer or plant food.

About Plant Sentry™

Plant Sentry is designed to protect both consumers and the nursery trade from invasive plant pests and diseases. Sites that display the Plant Sentry protection badge are protected from consumers buying and nurseries shipping material carrying invasive pests and diseases.

This proprietary eCommerce software prevents the shipment of a restricted plant to each state. The Plant Sentry system includes a shipment certification program. The Plant Sentry Compliance Officer works closely with NatureHills.com and each nursery or fulfillment center to ensure only compliant plants are sold to customers.

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Plant Sentry


To obtain a more accurate shipment time-frame, simply enter your zip code in the “Find Your Growing Zone” box to the right. Our plants are grown all over the country and lead time on items may be different because of this. Once your order is placed, you will also receive the specific shipment time-frame information as part of your order confirmation. Once an item ships, you will receive shipment notification and tracking numbers, so you can follow along while your plant travels to your doorstep. We use FedEx, UPS, or USPS at our discretion.

Due to winter weather we have put a hold on shipping to the areas shown below in grey. You can still order now and we will ship the plant to you during an appropriate time for your zone.

*If you have found your zone already, it will be highlighted in the table below.
Color Zone Times
3 Spring 2019
4 Now
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Shipping Rates

At Nature Hills we handle, package and ship the products you order with the utmost care to ensure healthy delivery. Shipping and handling charges are calculated based on the tables below. Please note that some items include an additional handling surcharge, these will be noted on the item's product page.

From To S&H
0 - 19.99 24.99
20 - 49.99 29.99
50 - 69.99 34.99
70 - 99.99 39.99
100 - 129.99 44.99
130 - 149.99 48.99
150 - 150+ Approx 28%

Click here to see our full rates