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Dig In: Garden checklist for week of April 21

Sacramento Digs Gardening
BY Debbie Arrington PUBLISHED APR 20, 2019

Citrus trees benefit from a low dose of fertilizer during bloom and fruit set. (Photo: Debbie Arrington)

Spring bursts into bloom; watch out for weeds

Warmer temperatures have finally put the zing in spring.

Flowers are opening everywhere as plants respond to longer days and more sunshine. Growth speeds, too, which means keep an eye on weeds. Also, watch out for aphids, slugs and other pests that may be munching on this lush green growth.

Did you get an Easter lily? These beautiful white flowers prefer cool temperatures indoors, 60 to 65 degrees away from windows, drafts or heat. After the flowers fade, the lily can be transplanted outdoors into the garden. These bulbs prefer cool growing conditions, so plant them deep – about 6 inches. Cover the bulbs with mulch or compost in a semi-shady spot (morning sun preferred).

But don’t expect them to flower in April. In the garden, Easter lilies bloom in midsummer.

* Smell orange blossoms? Feed citrus trees with a low dose of balanced fertilizer (such as 10-10-10) during bloom to help set fruit. Keep an eye out for ants.

* Ripe oranges, lemons or grapefruit may still be on the tree. Citrus tends not to flower with fruit on its branches. Finish the harvest. Pick up any dropped fruit; it attracts pests. Remember: Sacramento is under quarantine for Oriental fruit fly and Asian citrus psyllid , which means citrus can’t be moved out of county. Keep your home-grown fruit at home.

* If leaves look yellow, your citrus tree may need an iron boost. Feed with a chelated iron fertilizer.

* Weed, weed, weed! Whack them while they’re young. Don’t let unwanted invaders go to seed or grow deep roots. In particular, pull out any bindweed, bedstraw or milk thistle, which seem to grow overnight.

* Mulch around plants to conserve moisture and control weeds. Don’t mound mulch around trunks or main stems; it can cause crown rot.

* Set out tomato, pepper and eggplant transplants.

* From seed, plant beans, beets, cantaloupes, carrots, corn, cucumbers, melons, pumpkins, radishes and squash. Plant onion sets.

* In the flower garden, plant seeds for asters, cosmos, celosia, marigolds, salvia, sunflowers and zinnias. Transplant petunias, zinnias, geraniums and other summer bloomers.

* Plant perennials and dahlia tubers. Late April is about the last chance to plant summer bulbs, such as gladiolus and tuberous begonias.

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Garden Checklist for week of Nov. 3

November still offers good weather for fall planting:

* If you haven't already, it's time to clean up the remains of summer. Pull faded annuals and vegetables. Prune dead or broken branches from trees.

* Now is the best time to plant most trees and shrubs. This gives them plenty of time for root development before spring growth. They also benefit from fall and winter rains.

* Set out cool-weather annuals such as pansies and snapdragons.

* Lettuce, cabbage and broccoli also can be planted now.

* Plant garlic and onions.

* Keep planting bulbs to spread out your spring bloom. Some possible suggestions: daffodils, crocuses, hyacinths, tulips, anemones and scillas.

* This is also a good time to seed wildflowers and plant such spring bloomers as sweet pea, sweet alyssum and bachelor buttons.

* Rake and compost leaves, but dispose of any diseased plant material. For example, if peach and nectarine trees showed signs of leaf curl this year, clean up under trees and dispose of those leaves instead of composting.

* Save dry stalks and seedpods from poppies and coneflowers for fall bouquets and holiday decorating.

* For holiday blooms indoors, plant paperwhite narcissus bulbs now. Fill a shallow bowl or dish with 2 inches of rocks or pebbles. Place bulbs in the dish with the root end nestled in the rocks. Add water until it just touches the bottom of the bulbs. Place the dish in a sunny window. Add water as needed.

* Give your azaleas, gardenias and camellias a boost with chelated iron.

* For larger blooms, pinch off some camellia buds.

* Prune non-flowering trees and shrubs while dormant.

* To help prevent leaf curl, apply a copper fungicide spray to peach and nectarine trees after they lose their leaves this month. Leaf curl, which shows up in the spring, is caused by a fungus that winters as spores on the limbs and around the tree in fallen leaves. Sprays are most effective now.

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