You can buy Apples grade Severnyjj Sinap in online stores (seed and seedlings).
$16.01 Jobe’s Evergreen Fertilizer Spikes 13-3-4 Time Release Fertilizer for Juniper, Spruce, Cypress and All Other Evergreen Trees, 15 Spikes per Package
$44.25 KLEIMS HARDY GARDENIA - Size: 1 Gallon, live plant, includes special blend fertilizer & planting guide
$14.37 Dr. Earth 706P Organic 7 All Purpose Fertilizer in Poly Bag, 4-Pound
$19.97 Nature's Super Grow for Plants 32 Oz Concentrate Amazing Plant Growth, Equals to 100 Gallons! Proven to Work Wonders on All Plants, Trees and Shrubs, Flowers, Roses, Fruits
$15.99 Jobe’s Organics Fast Start Granular Fertilizer with Biozome, 4-4-2 Organic Fertilizer Formulated for Seeds and New Plantings, 4 pound bag
$25.50 Transplant Formula - For Use With Plants and Seeds Including; Vegetables, Herbs, Fruit Trees, Shrubs, and Perennials - Great For Container and Raised Bed Gardens - Fine Powder Supplies Trace Minerals, Soil Microbes, and Biostimulant Carbons