Photo by Melody

PlantFiles: Petunia, Grandiflora Petunia
Petunia 'Ultra Crimson Star'

Family: Solanaceae (so-lan-AY-see-ee) (Info)
Genus: Petunia (peh-TEWN-ya) (Info)
Cultivar: Ultra Crimson Star
Additional cultivar information: (Ultra Series)

2 vendors have this plant for sale.

2 members have or want this plant for trade.


6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

9-12 in. (22-30 cm)

Not Applicable

Sun Exposure:
Full Sun


Bloom Color:
Magenta (Pink-Purple)
White/Near White

Bloom Time:
Blooms repeatedly


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:

Propagation Methods:
From herbaceous stem cuttings
From seed; sow indoors before last frost

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive Weezingreens On Jan 19, 2003, Weezingreens from Seward, AK (Zone 3b) wrote:

This petunia was listed as Crimson Ultra Star in my seed catalog. The Ultra series petunias are grandifloras, and advertised to be early bloomers (10-12 weeks in the North). They are base branching, and the 4" flowers bloom uniformly from color to color.


This plant has been said to grow in the following regions:

Auburn, Alabama
Foley, Alabama
Seward, Alaska
Des Plaines, Illinois
Coushatta, Louisiana
Florence, Mississippi
Alice, Texas
Kalama, Washington

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