Watch and share this public service announcement featuring U.S. Senator Cory Booker that discusses the early warning signs of Parkinson's disease. Page reviewed by Dr. Chauncey Spears, Movement Disorders Fellow at the University of Florida, a Parkinsonâs Foundation Center of Excellence.
Step 2. Fertilize the seedlings with the dilute houseplant fertilizer every two weeks. Start the first fertilization when the second set of leaves emerge, or one week after germination, whichever occurs first.tep 2. Fertilize the seedlings with the dilute houseplant fertilizer every two weeks. Start the first fertilization when the second set of leaves emerge, or one week after germination, whichever occurs first.
Most perennials don't need fertilizing, Jacobson says. The plants that do need it most are annual flowers in beds and those in containers. Since they are blooming all the time, annuals use up nutrients faster than perennials do. The Arboretum staff uses water-soluble fertilizer for annuals.