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.
3. Fertilize your geraniums once a month using a liquid fertilizer. An abundance of fertilizer will cause your geraniums to produce many strong, healthy leaves, but it will also prevent blooms from developing and may lead to a plant with minimal flowering. 1  You can also use a slow-release, granular fertilizer.tart geraniums from seed indoors. Early to mid-April is usually standard. Once the seeds start to sprout, you can move them outdoors. Just make sure that the last frost of the season has already passed.