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Plant Smarter with Plant Select®!

Here in the Front Range area we are considered both a high plains and an intermountain region. There is an expansive selection of attractive plants that thrive here while offering food and habitat for native wildlife. Thanks to the Plant Select® program, the selection has been researched and streamlined to take out the guesswork for you, the gardener!

The program chooses plants that meet these attributes: long-lasting beauty, uniqueness, habitat-friendly, flourish with less water, thrive in a broad range of conditions, non-invasive behavior, resist disease and insects well, and are tough and resilient in challenging climates. If you are a Northern Colorado gardener, you will definitely appreciate that last one!

The offered collection includes trees, shrubs, perennials, grasses, and groundcovers. You can find plants for every water, sun, and soil situation in your garden! Here is a list of just some of the plants we carry at Gulleys…


Agastache: Also known as hyssop, or hummingbird mint. Bold brushes of orange, red, scarlet, and rose flowers from August to frost. This silvery-leaved southwestern wildflower is intensely aromatic. An exotic contribution to water-smart gardens or perennial borders. Xeriscape.

Denver Daisy Rudbeckia: Striking dark eyed, long-rayed daisy. This showy plant commemorates the 150th anniversary of the founding of Denver. Tender perennial or biennial.

Penstemon: Sport bouquets of red, yellow, orange, pink, blue and purple flowers from May to July. The upright spikes of flowers are beautiful in a dry border or rock garden. A favorite of hummingbirds, bees and butterflies, penstemons will provide years of enjoyment.

Salvia: Sometimes known as sage, salvias are intensely aromatic, with green mounding foliage. Beautiful flower spikes come in many colors. Shrubby perennial. Xeriscape

Our favorite “hummingbird magnets” in the Plant Select® program:


  • Agastache
  • Winecups
  • Diascia
  • Red Feathers
  • Hummingbird Trumpet Mint (see the header photo)
  • Red Yucca
  • Penstemon
  • Salvia
  • Red Birds in a Tree
  • Orange Carpet Hummingbird Trumpet


Korean Feather Reed Grass: Korean feather reed grass produces large (12”) plumes with a pink tinge in August, and matures to a tan color. The leaves will eventually turn to a bright yellow late in the fall. It likes full sun or partial shade, and it tolerates heavy clay soil which helps keep the roots moist. While Korean feather reed grass will go quite dry, it does need additional irrigation at times in the Front Range area.

Red Yucca: This graceful native of Texas and Mexico has arching, evergreen grass-like leaves with captivating curly white filaments. Tall spikes of brilliant coral-pink, yellow-throated tubular blossoms curve skyward with elegance and are an instant magnet for hummingbirds from early summer to autumn. Red yucca is virtually maintenance-free and perfectly xeric once established.

Blonde Ambition Grama Grass: An impressive, highly ornamental form of Western native grass with tall, upright stems. Showy chartreuse, aging-to-blonde seed heads hold their straight shape and are displayed high above the foliage through winter, providing many months of color and texture.


Winecups: This native thrives at the front of the border, in the wild garden and Xeriscape where it enjoys the full sun, blooming with wine-red flowers from April to hard frost.

Partridge Feather: Plush ever-silver mats of gorgeous feathery foliage will thrive in dry gardens with good drainage, improving and spreading modestly through the years. Golden button flowers appear for a short time in summer.

Veronica: Small, glossy, rounded leaves form a dense mat, covered by a stunning display of small, purple or white flowers with a blue eye. A perfect complement to spring bulbs, it continues to bloom into early summer after they are finished. It fills in quickly and vigorously, spreading across the garden by stems which root themselves in the soil. Beautiful as a groundcover among flagstones and patio pavers; along a walkway, or as a border along a sunny or partly shaded garden. Xeriscape.

Orange Carpet Hummingbird Trumpet: Rapidly spreading groundcover with masses of orange-scarlet flowers in summer. This is the best form of summer fuchsia for high altitude or cool climate gardens. Xeriscape.

Trees and Shrubs:

Hot Wings Tartarian Maple: Brilliant red samaras look like flaming flowers all summer long. Attractive sturdy tree with showy fall color. Ideal for home landscapes where a smaller tree is desired.

Cheyenne Mock Orange: Has a soft texture that is not usually found in native/xeric shrubs and certainly breaks the mold of what many people think a tough, drought-tolerant shrub looks like. The blue-green, oval-shaped leaves, billowy habit, and heady scent make this a perfect plant for a mixed-shrub planting or at the back of a perennial border in a naturalistic landscape. It is a perfect shrub for Colorado as it tolerates poor, heavy soil, even thriving in dry shaded locations.

Baby Blue Rabbitbrush: Dwarf forms of rabbitbrush occur everywhere in the West, but this compact, dome-like strain found along the Front Range is especially dense and silvery-blue with bright golden flowers in late summer and fall. An indispensible and indestructible native with multi-season interest.

Pawnee Buttes Sand Cherry: A graceful, ground covering form of our native sand cherry. Lustrous, green leaves turn bright red and purple in fall. Fragrant, white flowers in April produce heavy crops of black cherries in summer that are attractive to wildlife.

Plant Select® is a non-profit collaboration between Colorado State University, Denver Botanic Gardens, professional horticulturists, and various nurseries throughout the Rocky Mountain region. Gulley Greenhouse is a licensed grower and retail source for the Plant Select® program, offering plants in both our wholesale and retail departments.

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