What to Plant in May in Lafayette (Zone 9 Planting Calendar)

May is one of the best months to plant in Lafayette. Explore top choices for flowers, veggies, herbs, and shrubs that love Zone 9’s warm, humid climate.

What to Plant in May in Lafayette (Zone 9 Planting Calendar)

May is one of the most productive planting months in Lafayette. Warm soil, long days, and early‑summer humidity create perfect conditions for flowers, vegetables, herbs, and landscape plants that thrive in Zone 9. Whether you're refreshing beds, adding color, or starting a new garden, here’s exactly what grows best right now in South Louisiana.

🌼 Flowers to Plant in May (Zone 9 – Lafayette)

Heat‑Loving Annuals

These bloom fast and handle Louisiana heat like champs:

• Zinnias – nonstop color, great for pollinators
• Marigolds – pest‑resistant and long‑lasting
• Sunflowers – quick growers, great for kids and cut flowers
• Cosmos – airy, drought‑tolerant, and bloom all summer

Perennials That Thrive in May

Plant now for long‑term color:

• Coneflowers (Echinacea)
• Black‑Eyed Susans
• Lantana (loves heat and butterflies)
• Salvia (excellent for hummingbirds)

🥬 Vegetables to Plant in May in Lafayette

May is prime time for warm‑season vegetables. These love the heat and grow quickly:

Direct‑Sow or Transplant

• Tomatoes (heat‑set varieties do best now)
• Peppers (bell, banana, jalapeño, cayenne)
• Cucumbers
• Squash & Zucchini
• Okra (thrives in hot weather)
• Southern Peas (purple hull, black‑eyed peas)
• Sweet Potatoes (plant slips now)

Fast‑Growing Greens

Still possible early in the month:

• Malabar spinach
• New Zealand spinach

🌿 Herbs to Plant in May

These herbs love heat and humidity:

• Basil (Genovese, Thai, Lemon)
• Oregano
• Rosemary
• Thyme
• Lemongrass

Avoid planting cilantro now — it bolts instantly in Louisiana heat.

🌳 Shrubs & Landscape Plants for May

May is a great month for adding structure to your landscape:

• Hibiscus
• Oleander
• Bottlebrush
• Gardenia
• Azaleas (late‑season planting)
• Crape Myrtles
• Palms (Pindo, Sago, Windmill, Queen)  palm installation in Lafayette

Warm soil helps roots establish quickly before peak summer.

🧹 May Garden Maintenance Tips (Lafayette‑Specific)

• Mulch heavily to lock in moisture and reduce weeds
• Water early mornings to prevent fungal issues
• Fertilize warm‑season annuals every 2–3 weeks
• Check for pests like aphids, whiteflies, and caterpillars
• Deadhead flowers to keep blooms coming
• Stake tomatoes and tall flowers before storms roll in

🌱 Local Expert Insight (Acadiana)

In Lafayette’s Zone 9 climate, May is the turning point where spring and summer overlap. Plants grow fast, roots establish quickly, and gardens fill out beautifully — as long as you choose heat‑tolerant varieties. This is one of the best months of the year to plant before the true summer heat arrives.

📞 Need Help Planting or Designing Your Landscape?

Beau Monde Nursery Landscape & Florist installs:

• Flower beds
• Vegetable gardens
• Palms & shrubs
• Full landscape designs
• Seasonal color refreshes

We serve Lafayette, Scott, Broussard, Youngsville, Carencro, and all of Acadiana.

Call today to schedule your planting or landscape project.