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Plants in Flower
- Crabapple, Carolina Silverbell, Dogwood, Redbud, Flowering Cherry, viburnum, Pearlbush, Lilac, Carolina Rhododendron, Sweet Shrub, Piedmont Azalea, Loropetalum, Exbury Azalea, Spirea, Pieris, Evergreen Azaleas, Kerria (Easter Rose), Drooping Leucothoe, Weigela, Wisteria, Periwinkle, Ajuga, Candytuft,
Violets, Columbine, Trillium, Flags (Dwarf Iris), Bloodroot, Bleeding Heart, Jack-In-The-Pulpit, Anemone and Siberian Squill.
What to Fertilize
- Fertilize shrubs if not done in March.
- Once you can determine whether your fruit trees have any fruit, you can decide how much fertilizer to give them.
What to Plant
- Many gardeners prefer to transplant azaleas in April so they can group the
plants according to their flower color. - The following vegetables can be planted this month: beets, cabbage, Chinese
cabbage, Swiss chard, broccoli, cauliflower, onion, and potatoes.
What to Prune
- Prune spring-flowering plants like azalea, lilac, forsythia, spirea, and
weigela after the flowers fade. - Prune berry producing shrubs like holly and pyracantha while in flower to
prevent complete removal of all of this season’s berries. - If needed, trim spring flowering trees like Bradford pear, flowering cherry and redbud.
- Cut out any winter damage that may have occurred this year.
Pest Outlook
- Observe the following landscape shrubs for the following insect pests: azalea-lacebug, rhododendron-stem borer, boxwood-leaf miner, euonymus-scale, hemlock-wooly adelgid, and juniper-spruce mites and spray as needed.
- Watch broccoli, cabbage and cauliflower for caterpillars. Use an organic product containing BT if control is necessary.
- Observe your squash plants at first bloom near the base of the stem to control squash vine borer. Cover stems with straw to protect them.
- Spray your apple and other fruit trees following an organic spray guide.
- Scout for pests regularly. Use all non-pesticide control tactics first saving pesticides as a last resort.
Lawn Care
- Maintain mowing height of fescue and bluegrass at 3 inches.
- Do NOT fertilize cool season lawns such as tall fescue or Kentucky bluegrass anymore this spring. April is the first month to fertilize zoysia lawns.
Propagation
- This is a good time to layer new plants by lowering a branch of your favorite shrubs and covering it with soil and a stone.
Specific Chores
- Visit your local garden centers and nurseries to see what plants and products are available.
- Mulch all of your landscape plants as needed. Pine needles, cypress mulch and pine bark are good mulches. Pine bark, cypress mulch, pine needles and hardwood bark are good mulches.
- Prepare labels for all new plants and keep records on how well they perform.
