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Scientific Name:
Agastache mexicana
Pronunciation:
uh-GASS-tuh-kee mecks-ih-KAY-nuh
Common Name:
agastache, Mexican hyssop
Family Name:
Lamiaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Stems square in c.s., 60-120cm tall; leaves opposite, ovate, serrated, lower surface downy, lemon fragrance, up to 4cm long; florets 2-lipped, tubular, <2cm long, clustered in whorls to form verticillasters up to 30cm long.

Habit:
Upright
Form:
Columnar
Texture:
Medium
Mature Height:
0.7 - 1.3m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Fast
Origin:
Mexico, North America
Hardiness Rating:
Zone 7: (-18 to -12 °C)
Exposure:
Full sun
Soil/Growing Medium:
Humus rich, Well-drained
Water Use:
Moderate, Low, Summer dry
Landscape Uses:
Attract beneficial insects, Attract butterflies, Bedding plant, Container planting, Herb, Perennial border, Summer interest
Additional Info:
Google. Cultivars shown include A. 'Kiegabi' and A. "Red Fortune'.

Leaf Morphology:
Form:
Simple
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glabrous
Shapes:
Ovate
Apices:
Acute
Bases:
Obtuse
Margins:
Crenate, Serrate
Additional Info:
lemon scented

Inflorescence Type:
Verticillaster
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Bilabiate
Ovary Position:
Superior
Colour (petals):
Orange, Pink
Flower Scent:
Lemony
Flower Time at Peak:
Jun, Jul, Aug, Sep, Oct
Additional Info:
edible

Fruit Type:
Schizocarp
Fruit Colour:
Brown
Fruiting Time:
Oct, Nov
Additional Info:
Not showy, Ovary separates into four tiny mericarps or "nutlets" that are enclosed in a persistent calyx

Bark or Stem Colour:
Green
Pest Susceptibility:
Root rot (Deer resistant, Drought tolerant)

Course(s):
  • not used (on campus)
Location(s):
  • (BED)  BEDding, container, or basket
  • (HPZ)  Horticulture PlaZa
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