May in the Garden

Task List & Planting Guide

Garden Care

May is your growth explosion month—everything takes off fast!

Mulch planting beds to conserve moisture, deter weeds and keep soil cool. Apply 2–3 inches of mulch (this is crucial before June hits)

Continue planting warm-season crops: Beans, squash, melons

Direct sow every 2–3 weeks: Zinnias, sunflowers, cosmos

Fill gaps in beds while temps are still manageable

Be attentive to the water needs of new plantings. – Transition to deeper, less frequent watering

Watch for uneven watering (leads to future problems)

Plant ground covers, hot weather annuals, and Bermuda grass

Flowers- Pinch again if needed for branching, begin regular harvesting: The more you cut, the more you get

Stake tall or floppy plants early

Fertilize every 2–3 weeks

Prune spring blooming shrubs such as forsythia after they finish flowering.

Prune climbing roses after their blooms fade.

Vegetables & Herb Care

Harvest begins: Early squash, cucumbers, greens

Train vines and tie tomatoes

Watch for: Blossom drop (temp swings)

Harvest frequently: Basil, cilantro, parsley

Prevent bolting where possible

Dry or preserve excess

Tree & Shrub Care

Deep water weekly as temps climb

Watch for transplant stress

Avoid heavy pruning

Do not Prune Live Oaks or Red Oaks

Lawn Care

Begin mowing warm grasses every 5 to 7 days. Maintain at 1 1/4 to 1 1/2 inches

Water deeply, not daily

Spot treat weeds

Pest & Problem Watch

Watch for Aphids, Spider Mites, Leaf Miners and powdery mildew on roses, ornamentals, and vegetables.

Black spot on roses. Apply fungicide as necessary according to label directions.

Watch for and treat bagworms on junipers and other conifers

 WEST TEXAS STRATEGY SHIFT Prepare for heat NOW: Mulch, Shade planning and Irrigation checks.

What you do in May determines how plants survive July

May Planting Guide