March arrives with more cold, damp weather
Winter showers bring ... weeds. Get them out while they're small! Kathy Morrison
March can be blustery (as we’ve already seen this month) and unpredictable. When gardening, plan accordingly; be ready for spikes in temperature, both up and down.
Be patient, too. Some afternoons may feel like spring, but the soil is still mighty cold – bad for root development. And that soil is unlikely to warm up much this week.
According to the National Weather Service, Sacramento will stay rainy through Wednesday. Forecast highs are 52 or 53 degrees every day this week but Thursday when we “warm” to 55. (The forecast low early Thursday morning: 32 degrees.) Friday’s forecast: More rain and 53 degrees.
That’s more than 10 degrees below average. Normal for this week in Sacramento: High of 66 degrees and low of 44.
March also can see rapid warm-ups. In March 2022, we enjoyed six consecutive days of 80-degree weather peaking at a record 86 on March 26. (That was just three weeks after Sacramento set a record low of 35 on March 6.) Spring will be here for real before you know it.
* No matter how tempting, don’t transplant tomatoes outdoors yet. If seedlings need more room, transplant them into 1-gallon pots lined with newspaper; that will help warm their growing roots.
* Fertilize roses, annual flowers and berries as spring growth begins to appear. Feed roses with a balanced fertilizer (such as 8-8-8, the ratio of nitrogen, phosphorus and potassium available in that product).
* 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 of liquid soap – not detergent – to 1 quart of 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.
* Pull weeds now! Don’t let them get started. Take a hoe and whack them as soon as they sprout.
* Start preparing vegetable beds. Spade in compost and other amendments.
* Pick up browned camellias and fallen flowers to help corral blossom blight.
* Cut back and fertilize perennial herbs to encourage new growth.
* In the vegetable garden, transplant lettuce, collards and kale.
* Seed chard and beets directly into the ground.
* Before the mercury starts inching upward, this is your last chance to plant such annuals as pansies, violas and primroses.
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Food in My Back Yard Series
May 6: Maintain soil moisture with mulch for garden success
April 29: What's (already) wrong with my tomato plants?
April 22: Should you stock up on fertilizer? (Yes!)
April 15: Grow culinary herbs in containers
April 8: When to plant summer vegetables
April 1: Don't be fooled by these garden myths
March 25: Fertilizer tips: How to 'feed' your vegetables for healthy growth
March 18: Time to give vegetable seedlings some more space
March 11: Ways to win the fight against weeds
March 4: Potatoes from the garden
Feb. 25: Plant a fruit tree now -- for later
Feb. 18: How to squeeze more food into less space
Feb. 11: When to plant? Consider staggering your transplants
Feb. 4: Starting in seed starting
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Garden Checklist for week of May 11
Make the most of the lower temperatures early in the week. We’ll be back in the 80s by Thursday.
* Plant, plant, plant! It’s prime planting season in the Sacramento area. Time to set out those tomato transplants along with peppers and eggplants. Pinch off any flowers on new transplants to make them concentrate on establishing roots instead of setting premature fruit.
* Direct-seed melons, cucumbers, summer squash, corn, radishes, pumpkins and annual herbs such as basil.
* Harvest cabbage, lettuce, peas and green onions.
* In the flower garden, direct-seed sunflowers, cosmos, salvia, zinnias, marigolds, celosia and asters. (You also can transplant seedlings for many of the same flowers.)
* Plant dahlia tubers.
* Transplant petunias, marigolds and perennial flowers such as astilbe, columbine, coneflowers, coreopsis, dahlias, rudbeckia and verbena.
* Keep an eye out for slugs, snails, earwigs and aphids that want to dine on tender new growth.
* Feed summer bloomers with a balanced fertilizer.
* For continued bloom, cut off spent flowers on roses as well as other flowering plants.
* Add mulch to the garden to maintain moisture. Mulch also cuts down on weeds. But don’t let it mound around the stems or trunks of trees or shrubs. Leave about a 6-inch-to-1-foot circle to avoid crown rot or other problems.
* Remember to weed! Pull those nasties before they set seed.
* Water early in the day and keep seedlings evenly moist.
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