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Soil Additives

Using soil additives will help to enrich your gardening experience. We offer a wide selection of fertilizers, minerals and other soil enhancements that will improve your planting conditions, stimulate growth, improve vigor, promote earlier fruiting, and even increase the size of your crops. You can choose between general selections that can be used on any tree or plant or specially formulated options that are designed for one tree or plant category. All of these products are easy-to-use and have been proven effective in a wide range of climates and soil types. Some can even treat large areas (gardens, orchards and more) for a surprisingly affordable price. No matter what kind of tree or plant you’re growing or where you’re growing it, we have soil additives that will help to ensure your success.

Which option is best for me?

Bare-root Trees

Trees that are shipped without soil to ensure good contact with soil in your yard. When shipped, they are about 3-4' tall with 3/8" or larger trunk diameter. When they mature, they will be one of three sizes*:


Matures to be about 8-10' tall and wide. Provides an abundance of full-size fruit.


Matures to be about 12-15' tall and wide. Gives maximum fruit yield per square foot.


Matures to be about 15-25' tall and 20' wide. A multi-purpose fruit and shade tree.

Stark Supreme Tree®

Top-grade, bare-root trees that give you a head start on growing. When shipped, they are about 4-5' tall with 5/8" or larger trunk diameter.

EZ Start® Potted Trees

Trees in bottomless pots that allow some roots to be air pruned, so that a dense mass of productive, feeder roots can grow within the pot to make transplanting easier. Mature sizes vary. When shipped, they are about 1-2' tall.

Select EZ Start® Potted Trees

Top-grade, potted trees chosen to give you a head start on growing. When shipped to you, they are about 3-4' tall.

*Tree sizes may vary by variety. See our Growing Guide for details.