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The CSU Extension office in Broomfield City & County provides assistance and programs for citizens in the areas of Horticulture: Yard & Garden

Featured Plants   arrow

Learn more about plants found in our Broomfield Demo Garden!


Yellow Coreopsis flowers

Tickseed

A perennial stalwart for the garden is Tickseed (Coreopsis spp.) in the Asteraceae family. They form 1-2 foot mounds that are easy to grow in fall or spring. An added bonus is that most are deer resistant, cold and heat tolerant, and xeric once established.

There are many species to choose from since they are adaptable to most Colorado soils, and several are native plants in the West. They bloom from June to September, with some blooming into October.

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Sea Holly bloom

Sea Holly

Sea Holly is an interesting xeric plant family (Eryngium), especially if you are looking for striking blue-purple flowers. Although not true hollies, the cones look similar. They have a distinctive bract collar which adds great interest.

A few varieties of Sea Holly are adapted to the Front Range and tolerant of drought, high winds, cold, and heat.

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Milkweed flower and butterfly

Milkweed

Native to Colorado, showy milkweed and common milkweed play an important role as hosts to monarch (and other) butterflies, and there’s an added bonus. They’re easy-keepers! Well-adapted to different soil types and thriving in full sun, milkweeds also are extremely cold hardy and overwinter without any special maintenance.

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Ruby Voodoo Rose

Ruby Voodoo Rose

Ruby Voodoo Rose is a wonderful addition to a xeric garden, providing intense fragrance and large multi-toned double blossoms. It blooms first in late spring and then repeats moderately through the summer.

Ruby Voodoo was chosen as a Plant Select specimen due to its vigorous and attractive growth habit as well as its great disease resistance.

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Hens & Chicks

There are many species and cultivars of Sempervivum, commonly called Hens and Chicks or Houseleeks. Because they are a hardy succulent, they have fleshy leaves in a rosette shape that varies in size, shape, color, and texture.

Colors can be various shades of green, pink, and red. Some Sempervivum have cobwebbing on their leaves!

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lavender in bloom

Dwarf Lavender

Dwarf lavender plants are varieties of English Lavender, Lavandula angustifolia, that grow well in Colorado climates, even those with slightly poor, alkaline soils.

Foliage is gray-green, and flowers range from dark purple to blue-purple to light purple. All varieties have aromatic scents and are well suited as hedges, borders, containers, or en masse for swaths of color.

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Blond Ambition Blue Grama in Summer

Blue Grama

Blue Grama Grass, Bouteloua gracilis, is the official state grass of Colorado. It’s a native prairie grass important for animal foraging, preventing soil erosion, and providing food for various birds, butterflies and moth caterpillars.

In the home garden, varieties of Bouteloua gracilis may be used as ornamental grasses, in rock garden groupings, or as a low-traffic lawn alternative.

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Yarrow

Yarrow, a member of the Aster family, is a colorful, perennial group of plants. The Latin name Achillea is thought to reference Achilles of Troy, an early botanist who used yarrow to treat his wounded soldiers.

Many varieties are available in various shades from white and lilac, to yellow, orange, and red. Best of all, yarrow is virtually pest and disease free and tolerant of drought, salt, and cold.

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Snowberry branch with pink flowers, white berries.

Common Snowberry

What’s in a name? Plenty, in the case of the Common Snowberry’s scientific name: Symphoricarpos albus. The Latin “symphori-” means connected or together, and “carpos” means fruit. “Albus” means white.

Long after its small pink flowers have fallen in late summer, the Snowberry also stands out in winter with the contrast of white berries against bare brown stems.

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Kintzley's Ghost bract

Kintzley’s Ghost® Honeysuckle

A delightful addition to a xeric garden is Kintzley’s Ghost® honeysuckle, a family heirloom plant recently brought back into cultivation. It is a hardy honeysuckle vine with showy silver bracts that last all summer long. Once established it is very low maintenance.

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Littleleaf Mountain Mahogany yellow blooms

Littleleaf Mountain Mahogany

For gardeners looking for an evergreen shrub to brighten their landscape year-round, consider adding the Littleleaf Mountain Mahogany. This plant is both a Colorado native and a Plant Select® introduction, offering these features:

  • Up to 5 feet tall, 3-4 feet wide
  • Fragrant, yellow flowers in the spring and feathery seed plumes in the fall
  • Requires no additional irrigation once established (about two years)
  • Attracts pollinators

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Apache Plume seedhead

Apache Plume

A native plant to Colorado and throughout the Southwest, Apache Plume is growing in popularity thanks to its special attributes:

  • Up to 4 feet tall
  • White, rose-like flowers transform to pink, feathery seed heads
  • Very drought tolerant and attracts birds, bees and butterflies
  • Blooms June through August

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Pink Wine Cup blossom

Wine Cups

Wine Cups, the featured Xeriscape plant for the month of June, offer a trifecta of benefits to your Xeric garden:

  • As a ground cover, they are an attractive alternative to mulch or rocks.
  • They are colorful and bloom from late spring to late summer.
  • They need only minimal care and water.

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Pink flowering Prairie Smoke plants

Prairie Smoke

Prairie Smoke is the featured Xeriscape plant for the month of May. With its pink nodding flowers and fern-like leaves, Prairie Smoke is a lovely and hardy addition to your xeric or rock garden.

Blooming from late spring to early summer, the flowers become feathery pink seed heads showcasing the plant’s smoky appearance that inspired its common name.

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Torch lily with orange blooms

Torch Lily

The featured Xeriscape plant for September is the Torch Lily, commonly known as the Red Hot Poker. This herbaceous perennial plant is known for its upright, tubular flower spikes which emerge from clusters of green, grass-like foliage. The Torch Lily blooms from the base and spikes upward displaying beautiful bi-colored red, orange or yellow “torches.”

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Moon carrot plant with white blooms

Moon Carrot

Moon carrot, in bloom during late summer at Broomfield’s Xeriscape Demonstration Garden, Demonstration Garden, offers an interesting mix of textures and thrives in various conditions. It will grow in full sun to partial shade, is adaptive to clay, loamy or sandy soil, and requires moderate to Xeric watering.

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