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PlantFiles: Petunia, Grandiflora Petunia
Petunia 'Frost Blue'

Family: Solanaceae (so-lan-AY-see-ee) (Info)
Genus: Petunia (peh-TEWN-ya) (Info)
Cultivar: Frost Blue
Additional cultivar information: (Frost™ series, aka Blue Frost)

2 vendors have this plant for sale.


6-12 in. (15-30 cm)

12-15 in. (30-38 cm)

Not Applicable

Sun Exposure:
Full Sun
Sun to Partial Shade


Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer
Blooms repeatedly


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Requires consistently moist soil; do not let dry out between waterings
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
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 Sandwichkatexan On Feb 13, 2012, Sandwichkatexan from Copperas Cove, TX wrote:

Planted this in my front flowerbed once in 2007 , And it has reseeded every year always popping up in new places . I hope this year it takes over the flowerbed ! I do not Know if the plant is supposed to be sterile or not come true from seed but in my case it does , only a few solid white flowers every now and then .This year I see little petunias popping up around my sago palm and my agaves . They are to beautiful to be a weed so I just let them colonize wherever they please . Only Blue frost has reseeded for me none of the wave or limoncello do. I have to buy the limoncello every year , They look beautiful next to the blooms of the blue frost . The dark of the blue frost with the yellow of the limoncello really pop . I love how my pure white callas grow straight up through the petunias and complete the show .


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

Copperas Cove, Texas
Killeen, Texas

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