The Colorado 2009 Plant Select Program offering, agastache “pstessnee,” is a genus of nine to 12 species, most of which are native to the …
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The Colorado 2009 Plant Select Program offering, agastache
“pstessnee,” is a genus of nine to 12 species, most of which are
native to the southwestern United States and northern Mexico.
Others are scattered here and there in Asia, Europe and the rest
of the United States. The genus is a member of the mint family of
perennial herbs and so has square stems and fragrant foliage.
As if boasting beautiful form, a great variety of nectar rich
flowers in a multitude of colors and fragrances from bubblegum to
root beer weren’t enough, the genus is also a magnet for
Hummers really like the red and orange flowered varieties while
butterflies seem to prefer the blue varieties. Bees aren’t choosey
and seem to like any they can find.
Agastache “pstessnee” is the fourth member of this genus to be
selected. (Agastache rupestris 1997; Agastache aurantiaca 2001;
Agastache cana 2002). It’s dainty, tubular, flowers range from
brilliant crimson to deep maroon and last from mid-summer to first
Growing 15-18 inches in height and 12-15 inches in width it
makes a great border plant. Its USDA zones 5-9 (up to 6,000) feet
make it a tender perennial in Elbert County, but with a little care
it will perform as well as its cousins.
Choosing the right place and giving it some winter protection
will help Coronado’s chances of overwintering.
The culture for this plant holds true for all the native
Agastache. They prefer full sun, but will tolerate some light
shade. Moderate watering until established and then it is
relatively xeric. They are not picky as to soil type seeming to
flourish in clay, loam or sandy loam but do somewhat better in well
They also make a great container plant and mix nicely with other
tender perennials and annuals to make showy displays.
Agastache is relatively free of diseases and pests. Fungal
diseases such as rust or powdery mildew can affect the leaves
during hot humid weather if the circulation around the plant is not
good, so giving them a bit of space is advisable.
They are well worth a little effort and offer a grand return in
fragrance, wildlife attraction and color for your efforts.
Program volunteer network strives to enhance Coloradans’ quality
of life by extending knowledge-based education throughout Colorado
communities to foster successful gardeners.
For more information call the CSU Extension, Elbert County
Master Gardener office at 303-621-3162.
For additional information or to find retailers that carry the
Plant Select plants, visit www.plantselect.org.
Dianne White is a Colorado master gardener.
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