Hardy Perennials
for Central Iowa Gardens

At Holub Greenhouses in Ames, Iowa, we grow a wide selection of locally acclimated perennials designed to thrive in Central Iowa’s unique climate. Our perennials are grown on-site, so they’re already adapted to handle Iowa’s changing seasons—from spring frosts to hot, humid summers.
Whether you’re planting a pollinator garden in Ankeny or refreshing a backyard bed in Boone, our perennials are built to bloom year after year—naturally hardy, beautiful, and reliable.

Shop Our High-Performing Perennials

Our greenhouses offer one of central Iowa’s best selections of sun-loving, shade-tolerant, and pollinator-friendly perennials. These tried-and-true Iowa favorites are available in a wide range of colors, heights, and bloom times.

All of our perennials are grown on-site, not shipped from out of state, so they’re already prepared to thrive in your garden.

Plenty of Perennials for Your Garden.
(Seasonal availability, while supplies last)

Our team keeps a huge selection of popular perennials in our greenhouses to help fill out your flower garden. Since they come back every year, you know what to expect. Giving yourself this type of consistency can help make gardening fun instead of making it a chore. When you have questions about how perennial plants could affect your landscape, our professional team can get you the answers and point you in the direction of which flowers would be best for your design and gardening ideas.

Below are some of the options we carry:

(Columbine)

Aquilegia offers delicate, bell-shaped flowers with spurred petals in a rainbow of colors. These spring bloomers thrive in partial shade and attract hummingbirds to your garden.

Best time to plant: Early spring or fall.

Asters provide a late-season burst of color with star-shaped blooms in purple, blue, pink, or white. They attract pollinators and are ideal for borders or cottage gardens.

Best time to plant: Spring or early fall.

Astilbe brings feathery plumes of flowers in pink, white, or red, thriving in shade and moist soil. It adds soft texture and elegance to woodland and shaded gardens.

Best time to plant: Spring after the ground has thawed or in early fall.

Also known as tickseed, coreopsis offers bright yellow, red, or bi-color daisy-like flowers that bloom all summer. It's hard perennial that is drought-tolerant and great for sunny borders.

Best time to plant: Spring after the last frost.

Daylilies are hardy, low-maintenance perennials with strappy leaves and vibrant trumpet-shaped blooms that last just one day—but bloom continuously in summer.

Best time to plant: Early spring or fall.

Delphiniums are known for their tall spires of blue, purple, or white flowers. These stunning vertical plants prefer cooler climates and well-drained soil.

Best time to plant: Spring or fall.

This versatile perennial features fragrant, frilly-edged flowers in shades of pink, red, and white. It's compact and perfect for borders, rock gardens, or containers.

Best time to plant: Early spring or fall.
(Coneflower)

Echinacea is a central Iowa garden staple. This native prairie flower known for its resilience and bold blooms that attract butterflies and bees. It’s also drought-tolerant and deer-resistant.

Best time to plant: Spring or fall.
(Ornamental Grasses)

Ornamental grasses add movement, height, and texture to your garden. They vary in size and color and are great for filling space and adding year-round interest.

Best time to plant: Spring or early fall.
(Coral Bells)

Heuchera is prized for its colorful foliage, ranging from deep purple to chartreuse. It adds year-round interest and pairs well with hostas and ferns in shady spots.

Best time to plant: Spring or early fall.

Hostas are shade garden staples with lush foliage in green, blue, or variegated forms. Their summer blooms attract hummingbirds, and they’re extremely hardy.

Best time to plant: Spring or fall.

Lavender is loved for its soothing fragrance and beautiful purple blooms. It thrives in full sun and well-drained soil and can be used fresh or dried.

Best time to plant: Spring after the threat of frost.

Peonies are classic perennials with lush, fragrant blooms in spring to early summer. Once established, they return for decades with minimal care.

Best time to plant: Fall is ideal, but early spring is also suitable.

Phlox offers clusters of fragrant flowers in mid to late summer. It comes in tall or groundcover varieties and attracts butterflies with its nectar-rich blooms.

Best time to plant: Spring or early fall.
(Perennial Variety)

Perennial salvia produces tall spikes of long-lasting blooms in blue, purple, pink, or white. It’s drought-tolerant and perfect for sunny, pollinator-friendly gardens.

Best time to plant: Spring after the last frost or in early fall.

Also called stonecrop, sedum is a succulent-like perennial with thick foliage and late-season flowers that attract bees and butterflies. Great for rock gardens or borders.

Best time to plant: Spring or early fall.
(Speedwell)

Veronica features spikes of blue, pink, or white flowers and is a magnet for pollinators. It offers continuous summer blooms and performs well in full sun.

Best time to plant: Spring or fall.

Aerial view of Holub Greenhouses in Ames, Iowa – locally grown plants and garden centerPerennials That Come Back Stronger Each Year

At Holub Greenhouses, we choose perennials that not only survive Iowa winters—but come back better every spring. Many of our varieties are:
  • Drought-tolerant once established
  • Cold-hardy for USDA zones 4b–5a
  • Pollinator-attracting for bees, butterflies, and hummingbirds
  • Low-maintenance and ideal for busy gardeners

Whether you’re starting your first flower bed or refreshing your landscape design, our perennials make it easy to plant once and enjoy for years.

Why Central Iowa Gardeners Choose Holub

  • Locally Grown on Site: Our perennials are raised right here in Ames, not trucked in from out of state
  • Tried-and-True Iowa Varieties: Selected for performance in our Midwest climate
  • Expert Advice: Our knowledgeable team can help with everything from soil prep to long-term care
  • Family-Owned for Over 40 Years: Trusted by generations of Ames area gardeners
  • We proudly serve gardeners from Ames, Story City, Boone, Gilbert, Ankeny, and surrounding towns.

Let’s Grow Something Beautiful—Together

Whether you’re looking to plant a perennial border that comes back year after year, or you’re creating a pollinator-friendly space to support Iowa’s native species, Holub Greenhouses has the perennials, supplies, and know-how you need to succeed.

Visit us just north of Ames on 190th Street, or contact us to learn more about this season’s best perennial selections.