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Mississippi Master Gardener

March Garden Calendar

Planting

  • Plant new roses before March 15.
  • Broad-leaved Evergreens such as Magnolia and Holly can be set out at this time.
  • Plant cold weather annuals Sweet William, English Daisies, Pansies, and Calendulas.
  • Divide Mondo Grass and Liriope.Divide Cannas, Chrysanthemums, Coreopsis, Phlox, and Obedient Plant.
  • Start seeds for Tomatoes, Bell peppers, and Eggplant.Set out Thyme, Lemon Balm, Oregeno, Chives, Sage, and Winter Savory.
  • Sow seeds of Johnny Jump-ups, Sweet Peas, Larkspur, Forget-me-nots, and Baby Blue Eyes.
  • Flowering shrubs may be moved at this time. Larger shrubs should be moved with a ball of dirt and smaller shrubs may be moved bare-rooted.
  • This is the best month to move Crape myrtles.
  • Lawns may be sodded at this time.Plant Gladiolus throughout this month for continuous bloom.Plant Hostas.
  • Caladiums can be started in outdoor containers as soon as weather warms.

 

Fertilizing

  • Fertilize all the garden except acid-loving plants.
  • Topdress Camellias with azalea-camellia fertilizer.
  • Lime Peonies, Clematis, and Boxwoods.

 

Pest Control

  • Spray new rose leaves for black spot weekly.

 

Pruning

  • Prune roses at this time. Remove dead and weak canes. Properly dispose of clippings.
  • Prune Crape myrtles and Altheas.
  • Prune evergreens for shape and size as early in the month as possible.
  • Cut English Ivy back very hard. It will come back very nicely in the spring.
  • Trim Mondo Grass and Liriope with lawn mower set on highest setting (6 inches). Dispose of trimmings.

 

Mulch

  • Replenish mulch around Azaleas and Camellias.

 

Miscellaneous

  • Dispose of fallen Camellias blossoms to prevent blight.
  • Rake up seed hulls from under bird feeders. They will smother new growth.
  • Remove dead flowers from tulips and daffodils. Do not cut foliage before it turns yellow and dies.

 

Home Accent

Divide or repot overgrown houseplants. Cut back weak parts to encourage new growth. Apply fertilizer every 2 weeks or so.

 

In Bloom

Bluebells, Chionodoxa, Daffodil, Hyacinth, early Iris, Pansies, Violet, Carolina Jasmine, Azaleas and Camellias, Forsythia, Pearl Bush, Photinia, Flowering Quince, Spirea, flowering fruit trees (Crabapple, Cherry, Pear, and Peach), Oriental Magnolia, and Redbud.