Seasonal Gardening Calendar


The soil is starting to get warmer, so it is time to fertilizer your pansies. Now is also a good time to prune your shrubs and plant some radishes, cauliflower, and other veggies.

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  • MARCH Week 1

    Fertilize pansies

    Fertilize pansies. Since the soil is warming, use any water soluble houseplant fertilizer, one half pint to one pint of solution per plant.

    See Success With Pansies

    Trim liriope

    Cut most of the green foliage off of tattered liriope. A mower, set to its highest setting, is the best tool for large areas.

    Add lime to your lawn

    If you haven’t spread lime on your lawn in a year, it’s time once again. Use 40 pounds per 1000 square feet.

    See How to Soil Test

    Seed tomatoes and annuals

    Start seed of tomatoes and annual flowers indoors. You’ll need six weeks to grow strong transplants.

    See Starting Plants from Seed

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  • MARCH Week 2

    Prune boxwood

    Prune boxwood – but not with shears. Use a hand pruner to make foliage “holes” in the greenery so light can penetrate to the trunk.

    see Boxwood Pruning

    Spray your fruit trees

    Spray a fungicide (Captan, etc.) on apple and peach trees while the blooms are on the tree.

    see Fruit Spray Guide

    Prune your hollies

    Now is the time to prune giant holly shrubs back to a manageable size. Don’t be shy – you can cut them to eighteen inches tall and they will come back.

    see Holly Pruning

    Plant roses

    Plant bare-root roses in soil that contains plenty of organic matter and which has been thoroughly tilled.

    see Buying and Planting Roses

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  • MARCH Week 3

    Plant some veggies

    Plant beets, cauliflower, mustard, radish and turnips in your garden.

    see Vegetable Articles

    Plan your fescue planting

    Planting fescue now? You can’t use a pre-emergent weed preventer for six weeks after seeding.

    see Fescue Seeding vs Pre-emergent

    Propagate hosta

    Divide overgrown clumps of hosta now that you can see the leaves unfurling aboveground.

    see Propagating Hosta from Seed

    Fertilize your pecan trees

    Fertilize pecan trees with one pound of 10-10-10 for every inch of trunk thickness.

    see Fertilizing Pecan


  • MARCH Week 4

    Check for insects

    Examine the backside of euonymus and camellia leaves for scale insects. Thoroughly spray with horticultural oil if the pests are found.

    see Euonymus Scale Control

    Camellia cleaup

    Remove spent camellia blooms from the bush and from the ground. You’ll prevent camellia petal blight.

    Prune roses

    Last chance to prune bush roses to approximately one half their present size.

    see Rose General Care

    Repot houseplants

    Repot houseplants you plan to move outdoors. Their roots will need more room as they grow rapidly in the sun.

    see Growing Indoor Plants with Success

    Hold off on the caladiums

    Wait to plant gladiolus, canna and caladium bulbs until mid-April – they all need warm soil in which to grow.

    see Planting Caladiums


  • MARCH Week 5

    Plan before you build

    Building near a tree? Be careful – ninety percent of the tree’s roots are in the top twelve inches of soil.


    Forsythia, quince and winter honeysuckle can be pruned to a smaller size after flowering.

    Fertilize shrubs

    Fertilize shrubs: 1 tablespoon of 10-10-10 (or shrub fertilizer) per foot of height.

    Mower maintenance

    Sharpen your mower blade or replace it with a new one.

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