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  • March garden tips & tasks

    If your fescue lawn looks a little skimpy, overseed early this month. Fescue grows best when the weather is still cool.

    Clip dead stems from perennial herbs – thyme, sage, lavender, rosemary. Pruning encourages vigorous new growth.

    Prune nandinas, flowering quince and other airy shrubs by reaching in and removing about a third of the branches at ground level.

    Remove mulch or leaves that may be covering perennials in garden beds.

    Prepare a new garden bed: Have the soil tested (check with your county’s Extension service). Remove grass and dig or till soil 8 to 10 inches deep and mix with soil amendments and organic matter to improve drainage.

    Add fertilizer lightly to perennials as soon as you see new growth. Too much fertilizer may result in lanky growth.

    Herb transplants that don’t mind cool weather -- parsley, cilantro, sage, oregano – can go in the ground now.

    When you cut daffodils to bring inside, cut the stems at an angle and place them in water right away. Change the water in the vase daily to keep them fresh longer.

    Save the date - Middle Tennessee garden events

    The Perennial Plant Society's annual Plant Sale will be April 8, opening at 9 a.m. at The Fairgrounds Nashville. The sale offers newly released and hard-to-find perennials from top local nurseries -- more than 450 varieties of perennials, vines, grasses, shrubs and annuals. The event supports local scholarships for Tennessee horticulture students and monthly gardening programs, open to the public, at Cheekwood Botanical Gardens. For information visit www.ppsmtn.org.

    The Herb Society of Nashville's annual Herb Sale will be April 29, 9 a.m. - 2 p.m. at The Fairgrounds Nashville. The sale will offer heirloom vegetables, rare varieties of perennial and annual herbs, handmade pottery herb markers and more. To learn more, visit herbsocietynashville.org.

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Sowing seeds indoors: get a jump on the season

Question: When is the time to start vegetables and annual flowers indoors to plant outside in spring?

Start seeds indoors soon to plant in the garden this spring.

Start seeds indoors soon to plant in the garden this spring.

The time to start seedlings indoors depends on plants’ individual growth rates and the recommended dates in your area for putting plants in the ground. To figure the seed-starting date, start with the recommended planting time, calculate the plant’s germination and growing time (often noted on the seed package), and count back the required number of weeks to reach the date for starting the seeds.For example, to grow seedlings of a warm-season flower like zinnias in Middle Tennessee (where The Garden Bench calls home), we can plan on putting transplants in the ground after mid-April, the area’s last average frost date. The approximate growing time for zinnia seedlings is about 4-6 weeks, so you can sow zinnia seeds indoors early- to mid-March. Tomato seeds, another warm-weather favorite, can be sown in flats indoors 5 – 7 weeks before it’s time to transplant, so we can plan on starting them early in March.

To start cool-weather vegetables indoors, begin much earlier. For example, some leaf lettuces can be started indoors 4 weeks before the soil outdoors can be worked; bigger, tougher cool-season favorites like broccoli and cauliflower need 5 to 7 weeks to reach transplanting size. Sowing indoors now until the end of January can provide transplants ready to go in the ground at the end of February.

Give the seedlings plenty of light and the recommended moisture as they grow, and harden them off – expose them gradually to outdoor weather – before planting them in the ground.

 

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2 Responses

  1. Gloria, your writing about sowing seeds indoors jolted me into action. I usually don’t sow indoors, although I know it’s a good thing. But as I have a packet of zinnia seeds just waiting, I’l going to do the right thing. Cheers!

    • Lee, one nice thing about sowing indoors is that it gives you something to look forward to on days like today. Flurries are flying again in Middle Tennessee!

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