Monthly Calendar of Activities
in your garden and landscape
January
Lawn: Fertilize with a winter-type fertilizer (e.g., GreenAll
Winterfeed).
Roses: Prune. Ask for advice from a Certified Nursery Professional.
Trees: Prune deciduous ornamental or fruit trees.
Shrubs: Lightly prune deciduous shrubs.
Flowers: Plant primroses and Cyclamen for quick winter
color.
Vegetables: Plant seeds of tomatoes, peppers and eggplants
indoors.
Pests and diseases: Dormant oil sprays will help prevent
infestations by overwintering insects.
Shop now for: Economical bare-root fruit and nut trees
and berries.
February
Lawn: Apply preemergent herbicide to prevent weeds.
Roses: Get your pruning done by Valentine's Day!
Trees: Apply your last dormant spray (fixed copper sulfate
and oil) before buds show any colorusually mid to late February. Spray
for brown rot on almonds, apricots, and others when trees bloom.
Shrubs: Evergreens can be pruned late in the month.
Annuals: Plant spring annuals: pansies, snapdragons, sweet
peas, & more.
Perennials: Apply preemergent to prevent summer weeds.
Vegetables: Plant peas. Plant tomato seeds indoors.
Weather notes: Frost danger usually ends late this month.
Watering systems: Check sprinkler heads and flush out drip
systems.
Pests and diseases: Snails and slugs are coming out.
Shop now for: Camellia japonica varieties, Azaleas, roses,
and more.
March
Lawn: Fertilize with any good lawn fertilizer (e.g., GreenAll
Lawn
Food 25-6-4). Renovate your lawndethatch, aerate, and overseed.
Roses: Start fertilizing. Aphids should show up this monthask
your nursery professional for control strategies.
Trees: Shop for Citrus trees this month. Fertilize other
trees.
Shrubs: Fertilize with an all-purpose fertilizer. Begin
monthly feedings for acid-loving plants (Camellias, Azaleas, Japanese maples,
etc.). Prune deciduous flowering shrubs (e.g., Forsythia) and vines (Wisteria)
after they finish blooming.
Annuals: Do first plantings of spring and summer blooming
flowersmarigolds, petunias, and more.
Perennials: Feed your borders with a multipurpose fertilizer.
Vegetables: Plant beans, potatoes.
Weather notes: Shelter young plants from strong North winds.
Watering systems: Begin irrigating at about half the summer
frequency.
Pests and diseases: Aphids, snails, slugs, and earwigs;
mildew.
Shop now for: Azaleas in bloom; summer-flowering bulbs.
April
Lawn: Increase watering to one inch of water, 2 times a
week.
Roses: The first big flush of bloom will be this month.
Feed steadily and keep evenly moist. Watch for early signs of mildew.
Trees: Start thinning fruit on stone fruits. Begin deep
soakings. Fertilize Citrus trees and apply iron.
Shrubs: Don't prune severely if hot weather threatens.
Start fertilizing subtropical plants.
Annuals: Plant the real heat lovers at the end of the month.
Continue planting summer flowers and summer flowering bulbs.
Perennials: Lots to choose from in bloom in containers
at nurseries.
Vegetables: Plant out tomatoes, peppers, eggplants mid
to late month. Plant seeds of beans and corn. Plant seeds of squashes and
melons late in the month.
Watering systems: Begin deep soakings of trees and shrubs.
Pests and diseases: Aphids, snails, slugs, and earwigs;
leafcutter bees; mildew. Learn to recognize beneficial insects as they move
in to eat your aphids.
Shop now for: Roses in bloom and flowers of all kinds.
May
Lawn: Fertilize with a regular lawn fertilizer. Watch for
brown areas developingsigns of drought, Fusarium blight, sod webworm,
or lawn grubs. Treat now for Fusarium blight if you had it last year.
Roses: Continue monthly fertilizing. Watch for raspberry
horntail borer. Deadhead after the first big flush of bloom to encourage
repeat blooming. Prune once-a-year bloomers after they bloom (e.g., Lady
Banks rose).
Trees: Thin fruit on stone fruits. Continue deep soakings.
Shrubs: Avoid severe pruning in hot weather.
Annuals: Plant the real heat lovers: Cosmos, vinca, Portulaca.
Continue planting summer flowers to prolong bloom into the late summer.
Perennials: Deadhead as flowers fade.
Vegetables: It's not too late to plant tomatoes, peppers,
eggplants, squash, melons, cucumbers, pumpkins. Do successive plantings
of corn, beans.
Weather notes: We should hit 100o sometime this
month.
Watering systems: Double check the coverage of sprinkler
heads. Measure the output on your lawns: 1" of water 2 times per week;
3 times a week during heat waves. Set timers to full summer schedule now.
Pests and diseases: See lawns. Also, thrips, cutworm,
lace bugs, grasshoppers and katydids. Earwigs are at their peak.
Shop now for: Subtropicals, Citrus, crape myrtles.
June
Lawn: Brown patches start to become visible. Check your watering! Fungus and insect pests may also be causes.
Roses: Continue regular feeding; keep evenly moist. Wash off the foliage every few days to reduce dust and mildew.
Trees: Fertilize Citrus and apply iron. Protect stone fruits
from birds.
Shrubs: Fertilize subtropical plants. Apply F.S.T. or sulfur
to plants that show yellowing leaves.
Annuals: Spot in bright summer heat-loversvinca,
Impatiens, etc.
Perennials: Groom and stake as needed.
Vegetables: Continue successive plantings of corn and beans.
Still time to plant tomatoes, peppers, eggplant, melons, squash, pumpkins, sunflowers. Remove berry canes that have
fruited.
Weather notes: 100o plus heat spells are often
followed by periods with cooler delta breezesdo your planting and
yardwork then.
Watering systems: Check frequently for plugging and overlap.
Pests and diseases: Thrips.
Shop now for: Crape myrtles, oleanders, subtropicals.
Go on to July!
© 2008 Don Shor, Redwood Barn Nursery, Inc., 1607 Fifth Street, Davis, Ca 95616
www.redwoodbarn.com
Feel free to copy and distribute this article with attribution to this author.
Click here for Don's other Davis Enterprise articles