Agastache rupestris 'Sunset Hyssop'
Common Name(s):
Hummingbird Mint
Giant Hyssop
Synonym:
Licorice mint
Flower:
Orange
Blooms :
Jun
to:
Sep
Beautiful 2-lipped tubular flowers.
Botanical Description
Fragrant?
YES
Family:
Lamiaceae
Herbaceous Plant, Perennial
Foliage:
Green
Grayish-green mint scented leaves
Fall Color?
YES
Bloom season can extend into fall.
Deciduous
Photo by:
Heading 6
Oregon Native?
NO
West State Native?
YES
Origins:
Native to Arizona and New Mexico
Site Selection
Minimum USDA Hardiness Zone:
5
Water Needs:
L
Sun Needs:
Full Sun
Deer Resistant?
YES
Firewise?
YES
Height:
1-3'
Spread:
1-1.5'
Growth Rate:
Medium
Native Habitat:
It is native to cool mountain slopes in Arizona and New Mexico.
Soil:
Easily grown in average, dry-to medium, well drained soils. Tolerates dry soils once established.
Care Recommendations
Maintenance Level:
Low
Fertilizer:
Not necessary. Don�t over-feed; a fall top dressing of compost is all they need to flourish. Too much high nitrogen fertilizers will shorten their lifespan and make the plants floppy.
Mulch:
Sandy/gravelly mulches will protect plants and help avoid onset of rot.
Leave stems intact, mulch with gravel, crushed stone or coarse sand, reduce watering, avoid heavy fertilizing
Long Term:
Winter:
Prune in late fall or winter, after plant goes dormant. To improve winter-hardiness and encourage re-seeding, leave the stems intact over the winter. Cut back foliage to just above ground level in the fall after plants go dormant, or foliage is dead
Spring:
Pinch back foliage in spring if you want to limit mature plant height. In mid-spring, remove old stems just above the new foliage, about 4 or 5 inches above ground level.
Summer:
Deadhead spent flowers to promote additional bloom.
Fall:
Sometimes a sporadic rebloom will occur in fall if plants are cut back in late summer after initial flowering period.
General Care Comments:
Thrives in full sun, and lean well-drained soils, sharp drainage like gravel mulch, deadheading for additional blooms, spring cut back for revitilizing growth
Common Problems
Crown/root rot may develop in poorly drained soils. Watch for rust, powdery mildew and leaf spots.
Diseases:
Crown/root rot may develop in poorly drained soils. Watch for rust, powdery mildew, and leaf spots.
Insects:
Environmental Problems:
None
Pests:
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