You can apply dormant oil spray to deciduous fruit trees. Prune dormant fruit trees if needed.
Gardening Tasks by Month for Herndon, VA
Use lukewarm water to wash any dust off of your houseplants; check them for any diseases or insects.
Test your garden soil for its pH levels. Contact your local Cooperative Extension office for a soil kit. Then, apply lime, sulfur, and fertilizer according to the soil-test results.
Every month, mow your lawn at recommended heights (St. Augustine and Bahia: 3 to 4 inches; Centipede: 1.5 to 2 inches; Dwarf St. Augustine: 2.5 inches).
Spread manure or compost over the garden and plow it under if you did not do so in the fall.
Plant hardy vegetables and other cool-season crops, such as lettuce, cabbage, broccoli, beets, carrots, radishes, turnips, spinach, peas, and cauliflower. Start seeds of warm-season vegetables indoors.
Make successive plantings of vegetables so that you have a continuous harvest throughout the growing season.
Get plant beds or seed boxes ready for growing plants such as tomato, pepper, and eggplant. Have beds ready for planting in early February.
Deadhead flowers to encourage new blooms.
Refrigerated bulbs should now be planted in prepared beds. Provide a layer of mulch for protection from cold temperatures.
Plant cool-season annuals in the garden beds, such as carnations, pansies, petunias, and snapdragons.
You can start seeds of warm-season flowers now to have transplants ready for spring.
Plant any trees and shrubs now. Water until established.
Fertilize established fruit trees. Plant dormant fruit trees.
Prune any damaged or dead branches from your trees and shrubs. Fertilize.
To control scale on fruit trees, apply horticultural oil while plants are dormant.
Ensure that your garden is watered if it is getting less than 1 inch of rain per week.