May Garden Checklist: Your Spring Garden in Full Swing!

Proven Winners Supertunia Vista® Bubblegum Petunia hanging basket

May is a magical month in the garden. Everything is waking up, blooming, and growing like crazy—and if you’re like us, you can’t wait to dig in! Whether you’re a weekend warrior or an everyday garden guru, here’s your go-to checklist to keep your May garden looking its best.

🌿 1. Plant Summer Stars

Now’s the time to plant your warm-season favorites! In Zones 5–6 and beyond, the threat of frost is (finally!) gone.

  • Annuals: Get those colorful annuals like petunias, impatiens, and marigolds in the ground or containers.
  • Vegetables: Tomatoes, peppers, cucumbers, squash, and beans can all be planted now.
  • Herbs: Basil, cilantro, parsley, thyme, and more will thrive in the warming soil.

💡 Pro Tip: Mix in Espoma Bio-Tone Starter Plus and Adoria Compost to give new plants a strong, healthy start.

Pink petunias

🌸 2. Feed the Flowers

Give perennials and flowering shrubs a dose of balanced fertilizer to promote big, bold blooms. May is the perfect time to feed roses, hydrangeas, peonies, and your freshly planted annuals.

🌼 3. Deadhead & Divide

Snip off spent blooms on early bloomers like daffodils and tulips, but leave the foliage to feed the bulb for next year. It’s also a great time to divide overgrown perennials like daylilies, hostas, and phlox.

🌳 4. Time to Mulch

Refresh garden beds with a layer of mulch to lock in moisture and suppress weeds. Scotts NatureScapes Mulch is a great choice for color and coverage. Aim for 2–3 inches, but don’t pile it against stems or trunks.

🌱 5. Water Wisely

Spring rains are nice, but May can sneak in some dry spells. Water deeply and early in the day to prevent stress and disease.

🛠 Tip: Install soaker hoses or drip irrigation for easy, efficient watering.

🌻 6. Stake Tall Plants

Get ahead of floppy flowers by staking peonies, delphiniums, and tomatoes before they start toppling over. Trust us—your future self will thank you.

Staking tomato plants

🐛 7. Check for Pests & Problems

Inspect leaves and stems for aphids, mites, and disease. Catching issues early means you can treat them before they spread.

🌿 Organic options like neem oil and insecticidal soap are great for staying green while fighting pests.

🐝 8. Attract Pollinators

Add bee- and butterfly-friendly plants like coneflowers, milkweed, salvia, and lavender. Pollinators are key to your veggie garden’s success!

🧤 9. Tidy Up Your Tools

Clean, sharpen, and organize your gardening tools. Give your potting shed or garage a spring sweep—future planting days will go smoother when you’re organized.

🪴 10. Pot Up Patio Planters

Design colorful containers with thrillers, fillers, and spillers. Be bold! This is your time to shine.

🎉 Bonus Tip: Celebrate Your Garden!

Invite friends over, enjoy coffee among the blooms, or snap a few photos of your handiwork. May is when your hard work begins to blossom—literally!

Ready to Get Growing?
Shop plants, fertilizers, mulch, tools, and garden décor online or in-store. And don’t forget—you can pre-order summer beauties at ShipMyPlants.com and have them delivered right to your door!

Shop Annuals:

Posted in

Ashley Duda

More Recent Posts

Your Guide to Container Gardening Success

By Ship My Plants | May 14, 2025

Thrillers, Spillers, and Fillers – Oh My! When it comes to gardening, not everyone has the time, space, or energy to build massive flower beds or landscape every inch of their yard. That’s where container gardening shines! Whether you’ve got a sunny patio, a cozy front porch, or just a corner that needs a pop…

woman planting lettuce

April Planting Guide: The Best Vegetables to Grow This Spring

By Ship My Plants | April 17, 2025

Spring is finally here—and it’s time to get those veggie beds growing! April is a prime planting month in many parts of the country, especially Zones 5-7, where the soil is warming, the sun is shining longer, and those garden dreams are ready to take root. Whether you’re growing from seed or starting with live…

planting a vegetable garden

Spring into Vegetable Gardening

By Ship My Plants | March 18, 2025

What to Plant and How to Care for Your New Crops There’s something magical about the arrival of spring—flowers bloom, birds sing, and the garden comes to life. It’s the perfect time to start a vegetable garden, whether you have a large backyard plot or just a few containers on your patio. With longer days…

Beautiful purple Iris

Springtime Splendor: The Best Perennials for a Blooming Garden

By Ship My Plants | March 12, 2025

As winter melts away and the days grow longer, there’s nothing more exciting than seeing the first signs of spring in the garden. After months of dormancy, perennials burst back to life, painting the landscape with vibrant colors and sweet fragrances. Whether you’re looking for early bloomers to welcome the season or long-lasting flowers to…

Raised bed lettuce garden

The Best Early Spring Vegetables to Plant in March

By Ship My Plants | March 6, 2025

Spring is just around the corner, and for eager gardeners, March is the perfect time to get your hands in the soil! While the weather may still be chilly, there are plenty of cold-hardy vegetables that thrive in these early spring conditions. Whether you’re starting from seeds or pre-ordering live plants from Ship My Plants,…

Peach Tulips

March is Here! Time to Get Ready for Spring!

By Ship My Plants | March 3, 2025

Spring is just around the corner, and March is the perfect time to prepare your garden and lawn for the season ahead! Whether you’re eager to get your hands in the dirt or just want to give your yard a little TLC, these essential March gardening tips will help set the stage for a beautiful…