Here is a gardener’s to-do list for May, 2026, tailored for each region of the United States.

 

Here is a gardener’s to-do list for May, 2026, tailored for each region of the United States. May is a month of abundance and urgency—when soil is warm, blossoms are bursting, and the race is on to plant, stake, mulch, and tend before summer’s heat sets in.

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Northeast

• 🌱 Plant Warm-Season Crops: After frost, transplant tomatoes, peppers, squash, cucumbers, and beans.

• 🌸 Add Annual Color: Zinnias, marigolds, cosmos, and impatiens go in now.

• 🌿 Mulch Beds: Suppress weeds and retain moisture around perennials and vegetables.

• ✂️ Deadhead Spring Bulbs: Let foliage ripen, but remove spent blooms.

• 🐛 Watch for Pests: Slugs, flea beetles, and cutworms are active—take precautions.

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Midwest

• 🥦 Plant Summer Veggies: Tomatoes, peppers, corn, squash, and melons after the last frost.

• 🌼 Direct Sow: Sunflowers, cosmos, nasturtiums, and herbs like basil and dill.

• 🌾 Mulch Deeply: Retain soil moisture and prevent weeds before summer heat arrives.

• ✂️ Divide Spring Perennials: Daylilies, iris, and hostas can be split after blooming.

• 💧 Water Newly Planted: Keep a close eye on young seedlings and transplants in dry spells.

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Southeast

• 🍉 Plant Heat-Lovers: Okra, sweet potatoes, eggplant, and watermelon thrive now.

• 🌻 Add Summer Color: Plant vinca, zinnias, salvia, and lantana for heat-tolerant blooms.

• 🐞 Check Undersides: Aphids, thrips, and spider mites multiply quickly in warmth.

• ✂️ Prune Spring Shrubs: Azaleas, camellias, and forsythia after flowering ends.

• 🌱 Succession Sow: Keep planting bush beans, corn, and cucumbers every 2–3 weeks.

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Southwest

• 🧄 Harvest Garlic: Look for yellowing tops and dig carefully.

• 🍅 Tend Tomatoes: Stake, prune suckers, and mulch heavily around base.

• 🌵 Water Deep: Irrigate native and drought-tolerant plants thoroughly but infrequently.

• 🪴 Plant Heat-Tolerant Veggies: Cowpeas, okra, and chiles thrive in rising temps.

• 🌸 Trim Spring Bloomers: Cut back spent blooms to encourage repeat flowering.

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Pacific Northwest

• 🥕 Sow & Transplant: Beans, squash, tomatoes, peppers, and corn can go in now.

• 🌿 Weed Diligently: Moist May soils make weed pulling easy—don’t let them take over.

• 🌸 Pinch Annuals: Pinch tips of cosmos, zinnias, and marigolds to encourage bushy growth.

• 🌧️ Monitor Water: Adjust watering depending on rainfall—don’t overwater in cloudy weather.

• 🧄 Feed Heavy Feeders: Side-dress corn, tomatoes, and cabbage with compost or fertilizer.

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Mountain West

• 🥬 Finish Cool Crops: Lettuce, spinach, and peas before the heat hits.

• 🌽 Plant Warm Crops: Beans, squash, cucumbers, and tomatoes after frost.

• 🔧 Check Irrigation: Set up drip lines and check for clogs or leaks.

• ✂️ Thin Seedlings: Give carrots, beets, and radishes room to mature.

• 🧤 Protect from Cold Snaps: Be ready to cover young plants if a surprise frost threatens.

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California

• 🍅 Harvest Early Veggies: Lettuce, carrots, beets, and peas will be at peak.

• 🌸 Deadhead & Trim: Roses, lavender, and spring perennials benefit from a haircut now.

• 🌞 Shade Tender Starts: Use row cover or shade cloth in hot inland zones.

• 🧴 Mulch Deeply: Especially in drier areas—mulch suppresses weeds and retains moisture.

• 🥒 Plant Successions: Keep sowing beans, squash, and corn for staggered harvests.

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May is the month when gardeners must move with intention and haste—planting, tending, and protecting what’s been sown. It’s a time to dig deep, both into the soil and the season. Let the sun on your back remind you that every bloom is earned, every harvest a reward.

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