General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Moderately alkaline (7.9 – 8.4)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 3-9 inches
Plant Spread: 12-15 inches
Leaves: Deciduous
Flowers: Showy
Flower Color: Yellow
Bloom Size: Under 1"
1"-2"
Flower Time: Summer
Late summer or early fall
Fall
Other: June-October
Suitable Locations: Xeriscapic
Uses: Erosion control
Groundcover
Medicinal Herb
Will Naturalize
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Drought tolerant
Propagation: Seeds: Needs specific temperature: 65ºF-70ºF
Days to germinate: 2-3 weeks
Depth to plant seed: Surface sow, pressing gently into soil.

Image
Common names
  • Rocky Mountain Zinnia
  • Yellow Zinnia
  • Plains Zinnia
  • Prairie Zinnia

Photo Gallery
Location: All pictures taken in/on my gardens/greenhouse/property
Date: 2019-02-26
Location: Las Vegas
Date: June
photo by Stan Shebs
Comments:
  • Posted by KFredenburg (Black Hills, SD - Zone 5a) on Jun 23, 2020 9:28 PM concerning plant:
    Habitat: dry areas, in deserts and on plains.
Plant Events from our members
MrsBinWY On May 25, 2020 Transplanted
2 on south side of back path across from wood shed & 1 on north side on 5-25-2020; 2 along the front stone path, east and west, next to sidewalk on 6-27-2020. I managed to kill 4 out of 5 of these. The 5th one lived long enough to bloom but didn't return in 2021.
MrsBinWY On March 10, 2019 Seeds sown
10 seeds of Alplains collection #32765.22 & 10 seeds of Alplains collection #32765.25 in milk jug @ cool room temp
MrsBinWY On April 14, 2017 Potted up
7
MrsBinWY On January 19, 2017 Seeds germinated
MrsBinWY On January 14, 2017 Seeds sown
Milk jug, cool room temp, seeds from Alplains, 9
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