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Dig In: Garden checklist for week of April 4

Sunny, mild conditions are perfect for gardening

Sacramento Digs Gardening
BY Debbie Arrington PUBLISHED APR 3, 2021

Can you guess Kathy's favorite annual flower? Yes, it's time to sow zinnia seeds

-- and a lot of other things. Happy April! (Photo: Kathy Morrison)

It’s time to get outside! Days like these make new gardeners and reinvigorate longtime green thumbs.

April is one of the best gardening months in Sacramento, with mild temperatures and lots of sun. Historically, we average highs of 71 degrees and lows of 46; keep that in mind while planting summer veggies.

According to the National Weather Service, we may see clouds Monday, but April showers are unlikely. The forecast for this first full week of April calls for mostly sunny (and dry) conditions, with afternoons in the low to mid 70s and overnight lows in the mid 40s.

Wait just a little bit longer before setting out tomatoes, peppers and eggplants. They need nights that are consistently above 50 degrees to get comfortable. Otherwise, they’ll just sulk and not grow.

* 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 6-6-6) during bloom to help set fruit. Keep an eye out for ants.

* Weed, weed, weed! Pull invasive plants before they flower or go to seed.

* Apply slow-release fertilizer to the lawn.

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

* Trim dead flowers but not leaves from spring-flowering bulbs such as daffodils and tulips.

* 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 beets, carrots, chard, radishes, spinach and squash. Plant onion sets. Wait til the second half of the month to plant beans, corn, cucumbers and melons; pumpkins can wait until May. They need warm soil to germinate.

* 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.

* Transplant one last round of leaf lettuce or other leafy greens.

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Garden Checklist for week of May 5

Survey your garden after the May 4 rainstorm. Heavy rain and gusty winds can break the neck of large flowers such as roses. Also:

* Keep an eye on new transplants or seedlings; they could take a pounding from the rain.

* Watch out for powdery mildew. Warmth following moist conditions can cause this fungal disease to “bloom,” too. If you see a leaf that looks like it’s dusted with powdered sugar, snip it off.

* After the storm, start setting out tomato transplants, but wait on the peppers and eggplants (they want warmer nights). Pinch off any flowers on new transplants to make them concentrate on establishing roots instead of setting premature fruit.

* 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, 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 for summer bloom.

* Don’t wait; plant summer bulbs, such as gladiolus and tuberous begonias.

* Harvest cabbage, lettuce, peas and green onions.

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