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Dig In: Garden checklist for week of March 10

Sacramento Digs Gardening
BY Debbie Arrington PUBLISHED MAR 9, 2019

Trellis and tie up pea plants; they can grow rapidly now - and get heavy. (Photos: Debbie Arrington)

After so much rain, spring is on its way

Spring may not officially start until March 20, but we spring forward this weekend. Sunday (March 10) is the start of Daylight Saving Time. Remember to set your clocks ahead one hour.

What does this mean for gardeners? More daylight in the late afternoon and early evening to get things done.

After a wet start to March, warmer (and drier) weather is expected soon. Postpone planting tomatoes until temperatures warm later this month. Meanwhile, consider these tasks:

* As weather permits, prepare beds for planting. Cut down cover crops (such as clover). Add compost and soil amendments. Cover with mulch until you’re ready to plant.

* If aphids are attracted to new growth, knock them off with a strong spray of water or insecticidal soap. To make your own “bug soap,” use two tablespoons liquid soap -- not detergent -- to one quart water in a spray bottle. Shake it up before use. Among the liquid soaps that seem most effective are Dr. Bronner’s Pure-Castile Soaps ; try the peppermint scent.

* Watch out for early signs of powdery mildew on roses and other ornamentals plants. It explodes when temperatures edge into the 70s. Apply neem or jojoba oil.

* Seed and renovate the lawn (if you still have one). Feed cool-season grasses such as bent, blue, rye and fescue with a slow-release fertilizer. Check the irrigation system and perform maintenance. Make sure sprinkler heads are turned toward the lawn, not the sidewalk.

Enjoy your spring flowering bulbs.
Pick some daffodils to enjoy indoors.

* In the vegetable garden, transplant seedlings of lettuce, cabbage, broccoli, collards and kale.

* Harvest those same cool-season crops as they mature. Broccoli tends to bolt quickly in warm weather.

* Harvest peas as they mature. Tie up and trellis vines; they grow rapidly and need more support.

* Seed chard, beets, radishes, carrots and onions directly into the ground.

* A cool start to March means it’s not too late to plant such spring annuals as pansies, violas, primroses and calendulas.

* Plant summer bulbs and tubers, including gladiolus, tuberous begonias, callas and dahlias.

* Pick daffodils, tulips and other spring-flowering bulbs to enjoy indoors.

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Garden Checklist for week of April 21

This week there’s plenty to keep gardeners busy. With no rain in the immediate forecast, remember to irrigate any new transplants.

* Weed, weed, weed! Get them before they flower and go to seed.

* April is the last chance to plant citrus trees such as dwarf orange, lemon and kumquat. These trees also look good in landscaping and provide fresh fruit in winter.

* 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.

* Apply slow-release fertilizer to the lawn.

* Thoroughly clean debris from the bottom of outdoor ponds or fountains.

* Spring brings a flush of rapid growth, and that means your garden is really hungry. Feed shrubs and trees with a slow-release fertilizer. Or mulch with a 1-inch layer of compost.

* Azaleas and camellias looking a little yellow? If leaves are turning yellow between the veins, give them a boost with chelated iron.

* Trim dead flowers but not leaves from spring-flowering bulbs such as daffodils and tulips. Those leaves gather energy to create next year's flowers. Also, give the bulbs a fertilizer boost after bloom.

* Pinch chrysanthemums back to 12 inches for fall flowers. Cut old stems to the ground.

* Mulch around plants to conserve moisture and control weeds.

* From seed, plant beans, beets, cantaloupes, carrots, corn, cucumbers, melons, 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 for summer bloom.

* Mid to late April is about the last chance to plant summer bulbs, such as gladiolus and tuberous begonias.

* Transplant lettuce seedlings. Choose varieties that mature quickly such as loose leaf.

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