Tulips of every size, shape, and color
Exciting new annuals
Osteospermum love the cool weather of spring
Kwanzan cherry keeps the color coming
Show stopping color of ranunculus
Dogwoods and azaleas, a classic combination
Creeping phlox, bleeding heart, candytuft, pansies, snapdragons and sweet alyssum thrive in the warm days and chilly nights of early April.
Keep a close watch on the weather forecast and be prepared to protect tender annuals with frost cloth (not plastic) when frost is predicted.
Fertilize annuals and perennials with a flowering plant food to boost bloom.
Start tuberous begonias, caladium, Elephant ear and canna bulbs indoors to be ready for planting in May.
Begin planting gladiolus every week for a series of bloom through summer and fall. You can continue doing this until July 1st.
Apply Preen, Amaze or Crabgrass and Weed Preventer to landscape beds to prevent weeds from germinating.
Begin planting: Asparagus, Broccoli, Brussels sprouts, Cabbage, Chinese cabbage, Cauliflower, Celery, Chives, Collard, Horseradish, Kale, Lettuce, Mustard greens, Onions, Parsley, Parsnips, Peas, Potatoes, Rhubarb, Spinach, Swiss chard.
Mix compost and lime into your vegetable garden to improve the soil. Make sure that the soil is not wet when you do this – it will cause the soil to clump and become difficult to work with.
Prevent cedar-apple rust by applying Immunox on apple, hawthorn and other rosaceous host plants.
Turn your houseplants each week so that all sides receive adequate light.
Move plants that need part shade farther away from south facing windows to avoid leaf scorch. African violets, in particular, will need to be moved.
Clean dust off the foliage of your indoor plants with a misting bottle and some water.
Prevent summer weeds. If you are not planning to seed your lawn, apply a product like Preen Crabgrass Control or Jonathan Green Crabgrass & Weed Preventer. If you need to seed your lawn and stop weeds at the same time, apply Scotts Step One for Seeding Starter Lawn Food Plus Weed Preventer.
For more information about preventing summer weeds, visit our Preventing Summer Weeds blog post.
Eliminate winter weeds such as chickweed and dandelions with Bonide Chickweed, Clover and Oxalis Killer or Speed Zone.
For more information about eliminating winter weeds, visit our blog on controlling winter weeds in the spring lawn.
Azaleas, rhododendron, dogwoods, redbuds and cherries bloom in April.
Newly planted trees and shrubs require special watering attention as the temperatures rise. See our watering guide for step-by-step watering instructions.
If you are planting this season, review our planting instructions to ensure you are planting your trees and shrubs correctly.
Watch out for tent caterpillars in cherries, crabapples and plums. When the caterpillars are less than 1 inch in length, you can spray with an organic product, such as Thuricide or Monterey’s Garden Insect Spray. These products are only toxic to caterpillars. If you wait until the caterpillars are longer than 1 inch you will need to spray with Sevin.
Control Boxwood leaf miner and boxwood psyllid by treating with Bonide Systemic Insect Spray.
Begin feeding fish when water temperatures rise above 50° F.
Prevent algae in your pond with floating barley bales.
Remove dead foliage from water features and ponds
Fertilize water plants with a liquid or pellet fertilizer
If you need to change water in the pond, remove ¼ of the total volume of water at a time every other day until the water has been replaced. When the process is complete, add chlorine and heavy metal remover.
To prevent deer from eating emerging tulip buds, use Liquid Fence or Bobbex Deer Repellent.