Drought Tolerant Plants That Thrive in (Zone 6) Missouri Gardens

By Susang6
 

 Discover the best drought‑tolerant native plants for Zone 6 Missouri gardens, including perennials and grasses that survive our brutal summer heat, long dry spells, and clay soil. Learn which flowers and prairie grasses thrive naturally in Southwest Missouri and how to build a resilient, low‑water landscape that supports pollinators and local wildlife.

If you garden anywhere near Southwest Missouri, you already know what July and August feel like. Every summer, the heat settles in like a heavy blanket, the rain disappears, and the thermometer hovers around 110°F for days at a time. By mid‑season the lawn turns crisp and brown, watering days are assigned, and many of the prettiest perennials simply give up.

I’ve lost more plants than I care to admit to our extreme heat and drought cycles. After a few heartbreaking summers, I finally learned the lesson that changed my entire garden: plant what thrives here, not what merely survives. For me, that meant embracing native plants and other drought‑tolerant species that evolved to handle our rocky soil, scorching sun, and long dry spells.

Below is a guide to the plants that have proven themselves in my own Zone 6 garden, along with trusted local places to find them.

Native drought tolerant flowers for growing zone 6 / Missouri

 

Why Drought‑Tolerant Plants Matter in Southwest Missouri

Missouri summers are not gentle. Between the clay soil, the heat index, and the unpredictable rainfall, many traditional perennials simply can’t cope. Native plants, on the other hand, have deep root systems, natural heat resistance, and the ability to bounce back after long dry periods.

Choosing drought‑tolerant plants means:

  • Less watering during restricted‑use periods
  • Lower plant loss during heat waves
  • More pollinators and wildlife
  • A healthier, more resilient landscape

Once I shifted my garden beds toward natives and xeriscape‑friendly perennials, everything changed. My yard stayed colorful through August, and I stopped fighting nature and started working with it. 

Top Drought‑Tolerant Perennials for Zone 6

These plants don’t just tolerate heat they thrive in it.

Echinacea (Coneflower)

A Missouri classic. Tough, upright, and beloved by bees and butterflies. Once established, it barely needs supplemental water.

Lavender (‘Munstead’ or ‘Hidcote’)

Lavender loves dry soil and full sun. Both of these varieties stay compact and handle humidity better than most.

Sedum (Stonecrop)

If you want a plant that laughs at drought, Sedum is it. ‘Autumn Joy’ is a favorite for its fall color and zero‑maintenance personality.

Russian Sage (Perovskia)

Airy, silver foliage and long wands of lavender‑blue blooms. It thrives in heat that would wilt most plants.

Yarrow (Achillea)

A workhorse perennial for hot, dry spots. Spreads gently, blooms heavily, and attracts pollinators.

Catmint (Nepeta)

Soft, fragrant foliage and long bloom time. It handles heat beautifully and pairs well with roses and coneflowers.

Beardtongue (Penstemon)

A hardy native perennial with tubular blooms that hummingbirds adore.

 

drought tolerant native grasses for Zone 6 / Missouri

Native Drought‑Tolerant Plants for Southwest Missouri

Our region’s prairies and glades are full of plants that evolved to handle exactly the conditions we struggle with in our home gardens.

Wildflowers

  • Missouri Primrose
  • Pale Purple Coneflower
  • Butterfly Weed
  • Aromatic Aster

These natives bloom reliably even in rocky or clay soil.

Native Grasses

These Missouri natives bring texture, movement, and resilience to any drought‑prone garden bed:

  • Buffalo Grass – A low‑water turf alternative that forms a soft, fine carpet and stays green through summer heat.
  • Little Bluestem – Known for its gorgeous fall color, shifting from blue‑green to copper and rust tones as the season changes.
  • Prairie Dropseed – Fine‑textured and drought‑resilient, with graceful, fountain‑like tufts and airy seed heads that shimmer in late light.
  • Switchgrass (Panicum virgatum) – A tall, upright native prairie grass that thrives in full sun and tolerates both drought and occasional flooding. Its golden seed heads feed birds through winter and add structure to naturalized landscapes.  

Shrubs & Small Trees

  • Eastern Redbud
  • Ninebark
  • Juniper

These woody natives anchor a landscape and handle heat far better than many ornamentals.

 

Where to Buy Native Plants in the Joplin Area

We’re fortunate to have several excellent local resources for true Missouri natives.

Ozark Nursery (Joplin)

A long‑trusted local nursery with knowledgeable staff and a good selection of drought‑tolerant perennials.

Missouri Wildflowers Nursery

A statewide favorite offering more than 300 native species. They often participate in local plant sales and allow pre‑orders.

 

Shoal Creek Conservation Education Center (formerly Wildcat Glades)

If you’re local to Joplin, this is one of the best places to learn about and purchase native plants.

Native Plant Education

The center and the Wildcat Glades Nature Group offer:

  • Workshops on native and invasive plant identification
  • Nature journaling classes
  • Sustainable landscaping lessons
  • Guided hikes through the rare chert glades
  • Demonstration gardens showing how to use natives at home

Seasonal Native Plant Sales

Held spring and fall, often featuring Missouri Wildflowers Nursery and Ozark Soul.

  • Spring Sales: Typically late May
  • Fall Sales: Often in September
  • Tree Giveaways: Common during Earth Day events
  • Nature Store: Open Tuesday–Saturday with books, gifts, and educational materials

Pro Tip: Pre‑order when possible. Popular native species sell out fast.

To check upcoming events, visit the Wildcat Glades events calendar or stop by the center at 201 W. Riviera Drive, Joplin.  

Final Thoughts

Gardening in Southwest Missouri isn’t for the faint of heart, but it is deeply rewarding when you choose plants that are built for our climate. Native and drought‑tolerant species don’t just survive they flourish, even when the rest of the landscape is wilting.

If you’re tired of losing plants every August, start with just a few of the species above. You’ll be amazed at how much easier and more beautiful your garden becomes.

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