Nepeta 'Select Blue' (Select Blue Catmint) is a fantastic xeric perennial with dramatic lavender-blue flowers and handsome gray-green foliage. A recurrent bloomer, the first flush of...

Nepeta Walker's Low (Walker's Low Catmint) is a robust variety with dark lavender-blue flowers in late spring and aromatic gray-green foliage. Thriving in harsh conditions, this dur...

Hardy Plumbago (Ceratostigma plumbaginoides) is one of the most versatile groundcovers for cold climates growing in both sun and shade and most soil types. Plumbago blooms in late su...

Perovskia atriplicifolia Blue Spires (Blue Spires Russian Sage) is the best large growing Russian Sage selection blooming with dark blue flower spikes appearing in mid-summer. Though...

Veronica pectinata (Woolly Speedwell) is one of our finest groundcovers. Growing with long stems of wooly evergreen foliage, the plants cover themselves with blue blooms, aging to la...

Penstemon heterophyllus Electric Blue is a selected form of the Foothills Beardtongue, a small growing evergreen shrub from California, that blooms in late spring with a memorable d...

Blue Hill is a superb selection grown for its late spring display of clear blue flowers held over sturdy compact mounds of green foliage. It is extremely cold hardy, resistant to bro...

Rocky Mountain beardtongue, with its spikes of bright blue flowers and evergreen foliage, is one of the easiest-to-grow Penstemon. Long-lived, this beauty thrives in most any well-dr...

Dark Knight Blue Mist spirea (Caryopteris clandonensis) blooms with a profusion of dark blue flowers in late summer when few other shrubs are flowering. Its modest size makes it very...

Little Trudy® Nepeta (Nepeta ‘Psfike’ PP18,904) is a compact, long-blooming Catmint with warm purple flowers that bloom from late spring through summer, attracting bees and butt...

This exclusive HCG selection of English lavender has some of the darkest colored flowers youll ever see making it a stand-out in your garden! Faster growing than other dark colored L...

Hidcote Blue Lavender (Lavandula angustifolia Hidcote Blue) is an improved strain of Hidcote English Lavender with darkly colored lavender-blue flower spikes in late spring. Compact ...

Blue Reflection® Veronica (Speedwell) is a vigorous groundcover that covers its garden space with handsome evergreen foliage and a profuse late spring display of small blue flowe...

Lavandula angustifolia Hidcote Superior (Hidcote Superior Lavender) is sweetly fragrant, uniformly compact and blooms with darkly colored lavender-blue flower spikes in late spring....

This Salvia Collection includes medium growing and dwarf varieties of Salvia (Sage) in a stunning combination of raspberry, pink, purple and blue blooms. Drought resistant/drought to...

Lacy Blue Russian Sage (Perovskia atriplicifolia Lacey Blue) is a true dwarf cultivar discovered in an English garden and just recently introduced to the US. Its smaller size makes ...

First Choice is a newer selection with particularly deep blue flowers and a more compact mature size than other Blue Mist spirea. Blooming late summer it is an invaluable nectar sour...

Snowmass® Blue-Eyed Speedwell (Veronica Snowmass P018S) is a handsome groundcover speedwell with glossy evergreen foliage that blooms in mid-spring with a profusion of white-peta...

Veronica oltensis (Thyme Leaf Speedwell) is a beautiful, tenacious, small scale groundcover with thin stems of tiny evergreen leaves that cover themselves with blue flowers in early ...

Walker's Deep Blue Catmint (Nepeta) is just like 'Walker's Low'--long blooming and easily grown--but with noticeably darker blue flowers....

Lavandula 'Grosso' is a large growing French hybrid lavender with dark blue flower spikes in mid-summer. An impressive profuse bloomer ideal for drying or culinary use....

Gros Bleu is a hybrid French Lavender that is considered to be the very best of all the French hybrids. More compact than 'Grosso' but with equally darkly colored flowers, the scent ...

Blue Hyssop (Hyssopus officinalis ssp. aristadus) is one of the very best Old World plants for attracting and feeding bees and bumble bees. A medicinal herb, its aromatic foliage, an...

Blue Cushion English Lavender (Lavandula angustifolia 'Blue Cushion' or Lavandula angustifolia Schola) is a profuse bloomer from late spring to late summer. Blue Cushion forms a comp...

Leadplant (Amorpha canescens) is a small-growing native shrub that brings a welcome splash of color to the mid-summer garden, covering itself with hundreds of butterfly-attracting bl...

Appar Blue Flax (Linum perenne Appar) is a dwarf form of Blue Flax that covers itself with bright blue flowers held over stout wiry stems and blooms for several months beginning in l...

‘Royal Velvet’ English Lavender (Lavandula angustifolia Royal Velvet) is very showy in bloom. It is covered with long stemmed, dark navy blue and lavender flower spikes. The 3 to...

Browsing animals will pass up this fragrant collection of brightly-colored, long-blooming plants. Ideally suited for growing conditions in the east and mid-west. Choice of 5 or 15 pl...

Lavandula angustifolia Wee One is a special dwarf English Lavender that blooms with a wonderful display of short blue flower spikes only 10" tall. It is the most compact Lavender cul...

Try four different customer-favorite Agastache varieties in this Agastache Collection and you'll draw plenty of hummingbirds to your yard. Drought resistant/drought tolerant plant (x...

Blue Glow is an Old World wildflower that blooms in mid-summer. The deep blue globe-like flowers are held high above the attactive thistle-like foliage. One of the very best flowers ...

Exclusive. Blue Lips has beautiful flowers and foliage. It blooms in late spring with short spikes of blue-lipped, lavender throated flowers. Shear off the faded flowers to reveal th...

Prairie Sage has superb, clear blue flowers on tall willowy stems. This deep-rooted wildflower blooms in late summer and it highly attractive to bumblebees and hummingbirds. Drought ...

Salvia reptans 'Autumn Sapphire™' (West Texas Grass Sage) is a semi-dwarf form of Salvia reptans selected by the Colorado Plant Select® program that blooms in early fall with ...

‘Korean Zest’ Agastache (Agastache rugosa), with its refreshing mint scented flowers and foliage, blooms all season and attracts an amazing number of bees and butterflies to its ...

This beautiful, small growing species is native to the open Ponderosa forests and foothills of eastern CO and WY. The dainty spikes of blue, lavender-throated flowers are held over e...

Arp Rosemary (Rosmarinus officinalis Arp) is a very cold hardy shrub Rosemary. It has a stiff upright growth habit and a mid-spring display of light blue flowers. Released by the Nat...

15-18" tall x 12-18" wide. Geranium 'Johnson's Blue' is a beautiful, durable, perennial geranium with large, true blue flowers blooming from late spring into mid-summer. Drought re...

Blue Spike Sage or Bog Sage (Salvia uliginosa) is a tough, long blooming sage that flowers for months with compact spikes of rich sky-blue flowers. This perennial is exceptionally ea...

Bluebird Smooth Aster (Aster laevis 'Bluebird') covers itself with a profusion of violet-blue flowers that bloom in late summer through fall. It is a highly-rated wildflower that att...

This long-blooming perennial Container Garden for Full Sun has flowers of violet-blue, violet and brilliant purple. Salvia 'Ultra Violet' and Agastache 'Blue Boa' are upright growin...

Our ‘All Star Penstemon Collection’ is a showcase of colors and forms that delivers more flowers every year. Enjoy warm red, pale pink, magenta, and inky purple flowers blooming ...

Pastor's Pride is a twice blooming English lavender that has thrived in the Mid-West with excellent cold hardiness and moisture tolerance. This variety has nice chubby mid-blue flowe...

The Three-Tier Lavender Collection features three graduating sizes of lavender - compact, midsized, and tall varieties - that will bloom late spring through summer, and again in fall...

The Rock Garden Groundcover Collection includes a mix of three popular groundcovers that deliver texture and color in your rock garden all season. These easy-to-grow plants are droug...

Exclusive. Salvia arizonica ‘Deep Blue’ (Deep Blue Arizona Sage) is a great native plant for planting in the shade, blooming all summer with numerous small, deep blue flowers ov...

Our ‘My Soil Is Like A Brick Collection’ features long-blooming, easy-to-grow perennials as the perfect solution for gardens with challenging clay soils. The highly adaptable pla...

Eryngium planum ‘Blue Glitter’ (Blue Glitter Sea Holly) is an outstanding perennial that thrives in hot dry planting situations and blooms in summer with tall stems of spiny, g...

Enjoy lovely Lavender all season long! Our Lavender Collection includes carefully selected fragrant, hardy and long-blooming varieties. Enjoy Lavender blooms from late spring through...

Grand Mesa Beardtongue is a rare beauty native to the slopes of western Colorado. Its stunning in bloom with numerous deep cobalt-blue flowers held over attractive evergreen foliage....