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79001

Rocky Mountain Zinnia

A native perennial wildflower found in arid areas of the western United States. This durable little zinnia thrives in rugged, extreme spots where strong winds and severe heat are common. A well mannered spreading ground cover that can adapt to the rocky, sandy soil in your yard too. Grows 4-8 inches, creating a carpet of sunny yellow flowers beginning in midsummer. Loved by pollinators and birds.  Zones 4-9  

20 seeds 

PLANTING

Zinnia grandiflora

Perennial  zone 4-9

Germination: 10-30 days

Germination Temperature: Optimum soil temperatures 65-70ºF.

Seed Planting Depth: Sow on surface, lightly cover

Starting Indoors: 6-8 weeks before the last frost. Provide 65-70ºF soil temperature. Transplant around last frost, space 6-8" apart.

Sowing Outdoors:  Mid-spring into early summer and fall. 

Growth Habit: Spreading ground cover

Height and Width: 4-8" x 15"

Spacing: 6-8" apart

Light Needs: Full sun

Soil Needs:  Loose, rocky, sandy well-drained

Approximate days to flower from seed: 75-80 days

Uses: Rock garden, flower beds, wildflower and cottage gardens, attracts butterflies and beneficials, erosion control for dry slopes

Care:Second-year plants will not begin showing their growth until the warmer summer weather comes.  Divide plants in spring

Customer Reviews

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D
11/26/2021
Dori
United States United States
I recommend this product

Rocky mountain zinnia

Awesome seeds, fast shipping, affordable. 100% germination. I barely covered with soil indoors with growlights. Uppotted to cowpots today to transplant early spring. I am thrilled there is a perennial zinnia for pollinators.

Pinetree Garden Seeds Rocky Mountain Zinnia Review
11/29/2021

Pinetree Garden Seeds

Hi Dori, Thank you for your feedback! Thank you and have a wonderful Holiday Season! Deby