How Does Your Garden Grow? April 29, 2021 by Amye King SidedressingApply additional fertilizer along the row 4 to 6 inches from the base of the plants when the plants are established. This additional fertilizer or sidedressing is usually in the form of additional nitrogen.When to sidedress: BeansAt 3- to 4-leaf stageBell peppers, eggplant, tomatoesAfter first fruit setBroccoli, cabbage, cauliflower3 weeks after transplantingCornWhen 8 inches highCucumbers, watermelonWhen vines begin to runMustard, turnips, collardsWhen plants are about 1/3 grownOkraAfter first pods are harvestedOnionsWhen tops are 6 inches highSquashWhen plants are 8 to 10 inches tall Information gathered from Alabama Cooperative Extension System Support the Montgomery Botanical Gardens when you shop on Amazon and a portion of your purchase will go to improve the Gardens. 1. Go to smile.amazon.com2. Click the ‘Start Shopping’ button3. Shop as usual.