RootStart 6-3-3 Fertilizer

Healthier soil. Stronger grass. Proudly Made in Florida.

Stop guessing with products not built for Florida soil and finally get results that match our climate.

Planting & bed fertilizer

Stronger starts begin at the roots.

FloridaGreen® RootStart 6-3-3 is an helps new trees, shrubs, flowers, and landscape plants get established with steady nutrition that supports stronger roots, healthier growth, and a fuller-looking landscape over time.

Choosing the right fertilizer for your landscape shouldn’t feel like a guessing game. RootStart is made specifically for trees, shrubs, flowers, and landscape beds, giving plants the steady nutrition they need for stronger roots, healthier growth, and a better-looking landscape.

Stronger roots from the start. Feeds steadily over time Built for planting + beds
FloridaGreen RootStart 6-3-3 Fertilizer
6-3-3 Guaranteed N-P-K analysis for planting and landscape bed establishment.
Feeds for Months Steady-release nutrition keeps new plants fed over time instead of giving them one quick burst.
Root Support Supports stronger root growth during the most important early stages.
8-10 wk Recommended reapplication interval during active growth season.

Made for establishment

More than fertilizer for a new planting.

RootStart combines slow-release nutrition with root-supporting ingredients designed to help trees, shrubs, and landscape plants settle in, grow stronger, and keep looking better over time.

Stronger roots from the start

Helps new plantings develop a stronger root system so they can establish and keep growing after planting.

Steady feeding over time

Slowly available nutrition keeps feeding plants over time instead of giving them one quick burst.

Easy to use at planting

Blend RootStart into the backfill around new shrubs, trees, and large stock to put nutrition where new roots need it.

Helps plants through transplant stress

Root-supporting ingredients help new plantings adjust to their new environment and continue growing.

Supports the soil around roots

Helps create a better growing environment around the root zone so plants can make better use of available nutrients from the surrounding soil.

One product for the whole landscape

RootStart is perfect for new tree and shrub plantings, landscape beds, potted and balled stock, palms, ornamentals, and established beds.

Made in Spring Hill, Florida

Give new plantings the support they need to grow strong.

New plants can struggle while they adjust to their new environment and begin establishing roots. RootStart helps make that transition easier with steady feeding designed specifically for trees, shrubs, palms, ornamentals, and landscape beds.

Use it when planting or in established beds to support stronger roots, more consistent growth, and a healthier-looking landscape over time.

  • Helps new plants establish with confidence
  • Provides steady nutrition over time
  • Made for trees, shrubs, palms, ornamentals, and landscape beds
  • Takes the guesswork out of feeding new plantings
Landscape bed and planting application for FloridaGreen RootStart

Product details

What’s inside FloridaGreen® RootStart 6-3-3

RootStart 6-3-3 special blend provides nitrogen, phosphate, and potash for establishment and growth. RootStart also supplies calcium, magnesium, sulfur, iron, and manganese alongside its slow-release nitrogen sources.

Most of its nitrogen becomes available gradually, providing steadier feeding over time while roots settle in and new growth gets established instead of relying on one short burst.

Guaranteed analysis FloridaGreen® RootStart 6-3-3
  • Total Nitrogen (N)6.00%
  • Water Soluble Nitrogen (N)1%
  • Water Insoluble Nitrogen (N)4%
  • Slow-release Nitrogen (N)1%
  • Available Phosphate (P₂O₅)3.00%
  • Soluble Potash (K₂O)3.00%
  • Calcium (Ca)1.50%
  • Magnesium (Mg)1.70%
  • Sulfur (S)3.25%
  • Iron (Fe)0.30%
  • Manganese (Mn), water-soluble0.05%
Application rates How to apply FloridaGreen® RootStart
NEW SHRUBS 0.5-1 cup / plant Blend into the backfill at planting.
TREES & LARGE STOCK 2 cups / plant Mix throughout the backfill, not at the bottom of the hole.
ESTABLISHED BEDS 10-15 lb / 1,000 ft² Broadcast over mulch or soil, then water in thoroughly.
REAPPLY 8-10 wk Reapply during active growth from spring through early fall.

FEED NEW PLANTS NOW SO THEY THRIVE LATER

A Better Start for Every Plantng.

RootStart is specifically designed to support new plantings through the early stages that matter most, helping roots establish, plants stay consistently fed, and landscapes grow in stronger over time.

Feeds gradually

Steady nutrition supports consistent growth over time instead of relying on one quick burst.

Helps roots establish

Supports the root development new plants need to settle in and start growing strong.

Build a stronger foundation

Helps create better conditions around the root zone so plants can continue growing and performing over time.

For trees, shrubs, & landscapes

Give your plants a stronger start.

RootStart is made to help new trees, shrubs, palms, flowers, and landscape plants establish successfully with steady nutrition that supports stronger roots, consistent growth, and a healthier-looking landscape after planting.

Apply only as directed. Keep out of reach of children and pets, avoid breathing dust, wash hands after handling, and store in a cool, dry place. Do not apply near water, storm drains, or drainage ditches.

  • Steady feeding that lasts over time
  • Supports stronger roots and healthier establishment
  • Made for trees, shrubs, palms, flowers, and landscape beds
  • Available in containers, bags, super sacks, and bulk quantities
FloridaGreen RootStart 6-3-3 planting and bed fertilizer

Product resources

Labels and product information.

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Frequently asked questions

Know what you are putting around new roots.

FloridaGreen® RootStart 6-3-3 is a planting and landscape fertilizer designed to help trees, shrubs, palms, flowers, and other landscape plants establish stronger roots and maintain healthy growth after planting.

Use RootStart when planting new trees, shrubs, palms, ornamentals, or other landscape plants, or to provide additional nutrition to established landscape beds.

RootStart is made specifically with plant establishment in mind. It provides steady nutrition over time while also supporting the root zone, helping new plants settle in and continue growing after planting.

For new shrubs, use 0.5 to 1 cup per plant and blend it into the backfill when planting. Always follow the current product label for complete directions.

For trees and large stock, use 2 cups per plant and mix RootStart throughout the backfill rather than placing it only at the bottom of the planting hole.

During active growth, RootStart can generally be reapplied every 8 to 10 weeks from spring through early fall.

Bring RootStart to your landscape, business, or customers

Choose the right way to get started.

Whether you are planting at home, stocking your store, or purchasing in professional quantities, we will point you in the right direction.

Use only as directed. Keep out of reach of children and pets. Avoid breathing dust and wash hands after handling. Store in a cool, dry place and do not apply near water, storm drains, or drainage ditches. Refer to the current product label for complete directions and requirements.