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Gladiolus Segetum
August, 2007 #92
High Country Gardens
  In This Issue:
Planting a Prairie Garden
David's Helpful Hints: Perking Up the Mid-Summer Garden
Plant Combinations for Garden Design: Blue Mist Spirea and Hummingbird Mint
Coreopsis x 'Jethro Tull'™ PPAF
Deer Resistant Wildflower Mix
Dracocephalum ruyschiana 'Blue Dragon'
Papaver atlanticum 'Flora Pleno'
With the intense concern about our environment, it's instructive to step back and think about how xeriscaping can make a positive contribution to our world.--David Salman
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David Salman, President/
Chief Horticulturist
Ava Salman, VP / Dir. of Marketing
Cindy Bellinger, Editor
Kerry Kirkpatrick, Web Design

Planting a Prairie Garden
By Mary Ann Walz

Western Prairie GardenHistorical writings give glimpses of the kinds of plants in earlier environs. For example, when the Spanish conquistadors crossed the Rio Puerco just west of Albuquerque, they wrote of wading through chest-high water and walking among grass that brushed the bellies of their horses. That same area today is a mere a trickle of water through desert shrubs and short grasses.

New Mexico is typically associated with short grass prairie plants, but history lets us think tall grass prairie plants, more commonly associated with the Midwest, are probably indigenous to the area.

Prairie plants are tough. They survive periods of drought and harsh winters. They also comprise quite a diverse combination of shrubs, grasses and flowering perennials. Prairie landscapes are easy to recreate and need little special care once the plants are established. Following are suggested prairie plants.

SUMMER PLANT SHIPPING
Cacti, succulents and grass lawns ship all summer.
Fall shipping of perennials and bulbs begins August 20th.

More Details


Short Prairie Grasses and Perennials

  • Bouteloua gracilis 'Hachita'Bouteloua gracilis ('Hachta' Blue Grama Grass) is the predominant short prairie grass through much of the western United States. The blades remain quite short, but the little seed heads that resemble eyebrows grow from 12 to 18 inches high. Grama grass greens up during warm months and is easy to grow from seed or plugs.
  • 'Legacy' Buffalo Grass is another warm season, short grass grown from plugs.
  • Oenothera macrocarpaArtemisia frigida (Fringed Sage) adds soft silvery gray color to the prairie garden.
  • Oenothera macrocarpa (Missouri Evening Primrose) shimmers in the afternoon summer sun and persists into the evening dusk. A long season of bloom is a plus.
  • Zinnia grandiflora (Prairie Zinnia) thrives in hot sunny spots. It's not the easiest plant to grow but its deep yellow blooms make it worth a
    try.
  • Salvia azureaSalvia azurea (Prairie Sage) is great for late season color in your prairie garden. Our NM collection is particularly xeric and has soothing sky blue flowers.
  • Aster oblongifolius 'Dream of Beauty' (Fragrant Aster) is a vigorous groundcover aster that makes big fall blooming clumps with hundreds of sugar-pink flowers.

Tall Prairie Grasses and Perennials 

  • Panicum virgatum 'Shenandoah'Schizachyrium scoparum 'Blaze' (Little Bluestem Grass) is suitable for any soil type including clay. It turns beautiful shades of rusty red in the fall.
  • Panicum virgatum 'Shenandoah' (Prairie Switch Grass) reaches heights of 4 to 5 feet with dark colored lacy seed heads. Its height makes it a nice accent in the tall grass prairie especially in fall when its reddish foliage becomes more pronounced.
  • Heliopsis helanthoides 'Tuscan Sun' (False Sunflower) is an improved selection of this very cold hardy and indispensable prairie perennial. 'Tuscan Sun' is a colorful and rugged daisy among the prairie grasses
  • Liatris lingulistylus (Meadow Blazing Star)Penstemon tubaeflorus (White Flowered Plains Beardtongue) is a rare and beautiful prairie Beardtongue with a long blooming habit and glistening white flowers.
  • Silene regia 'Prairie Fire (Royal Catchfly) is a rare native valuable for its stunning flowers that attract hummingbirds.
  • Liatris lingulistylus (Meadow Blazing Star) will bring butterflies galore to your prairie with its nectar-rich spikes of lavender-purple flowers.

    If you're interested in a short grass prairie garden but aren't sure how to design the planting, The Western Prairie preplanned garden will be just right for you.

Suggested Planting
For a fairly large area, start with a native grass seed mix with shorter varieties of grasses. Then intersperse taller grasses and perennials into it once the seed has sprouted and gotten established. The shorter varieties mixed in with tall ones gives the perennials a chance to really stand out. 

Rhus trilobataOnce established, a prairie garden will change from year to year as grasses and perennials drop seed and produce new plants. You may even spot varieties you didn't plant as birds drop seeds of other wildflowers. Also, think of adding a few shrubs if you have the space. One that's easy and establishes fall color and fruit that attracts birds is Rhus trilobata (Three Leaf Sumac).

If you come to Santa Fe, visit our two demonstration gardens. Many of these prairie plants are on display. Our Guided Garden Tours run through August 29--Saturday mornings 10 and 11am; Wednesday 10am. Call 1-877-811-2700 for more information.

VISIT OUR SUMMER DISPLAY GARDENS
View our beautiful High-Country plants and learn about Xeriscaping on our 5-acre oasis located at our Santa Fe Greenhouses nursery! You'll be amazed! More Info


David's Helpful Hints: Perking Up the Mid-Summer Garden


It's that time of year--everything's blooming and the greenery couldn't be better. Still, a few more things can be done to perk up the mid-summer garden.

Soil and Watering
  • Earth MagicInoculate plant roots with the beneficial mycorrhiza in Earth Magic® to make the plants healthier and more vigorous
  • Add mulch to moderate soil temperatures
  • Newly installed plants may need frequent waterings during heat spells; check drip system emitters or rebuild water wells around plants if they have become shallow
Plants
  • Earth Juice® Grow™ 2-1-1 Organic Liquid FertilizerDivide lilies, irises and poppies after they've bloomed; later in August is the perfect time
  • Keep up with weeding so they don't set seed
  • Dead-head (remove) flowers; but leave spikes and stalks of re-seeding plants such as Columbine, Chocolate Flower, Blue Flax and any of the Penstemons)
  • Shear back the flowers on ground covers (Veronica, Creeping Flax and Thyme) to stimulate a thicker mass
  • Plant the warm weather native grass lawns such as Grama and Buffalo

Fertilizers and Growth Stimulants

  • Use high quality balanced fertilizer such as liquid Earth Juice for a gentle mid-season boost of transplants and established plants
  • Give this season's transplants a dose of root stimulator with our Root Stimulator Combo Packs



Plant Combinations for Garden Design

Surround a Blue Mist Spirea with a group (3 to 5) Orange Hummingbird Mints for a spectacular butterfly and hummingbird attracting duo. Leave plenty of space around the Blue Mist when planting the Agastache to give it room to fill out.

Caryopteris x clandonensis 'Dark Knight'Caryopteris clandonensis 'Dark Knight' Blue Mist Spirea is one of the best Blue Mist Spirea varieties with the deepest blue color of them all. Its tidy, upright growth habit and profusion of flowering spikes make it an essential part of the summer landscape. A reliable performer, it flowers heavily every year. Of modest size, it can be used in front of low walls, as a hedge or in groups around the base of larger shrubs, small trees and upright evergreens. Avoid heavy wet clay soils. Zones 5-9.

Agastache aurantiaca 'Shades of Orange'Agastache aurantiaca 'Shades of Orange' Hummingbird Mint is a garden-worthy treasure, with stunning flower spikes full of blossoms that vary in color from pale peach to burnt sienna. It's an exceptionally heavy bloomer that stays in flower for several months, beginning in mid-summer. This beauty enjoys enriched, well-drained soil and a periodic deep soaking during dry weather. Excellent in Southwest and Mid-Atlantic states. Zones 6-10.


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