Photo by Melody

PlantFiles: Petunia
Petunia 'Alderman'

Family: Solanaceae (so-lan-AY-see-ee) (Info)
Genus: Petunia (peh-TEWN-ya) (Info)
Cultivar: Alderman

2 vendors have this plant for sale.

One member has or wants 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:
Dark Purple/Black

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
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; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed


No positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral lpalmer On Feb 16, 2008, lpalmer from Amelia, OH (Zone 6a) wrote:

I loved the flowers, a beautiful shade of purple, even got a few that were purple and white, but plants get leggy even in full sun and looked unkempt. They required regular weekly trimming to keep them in bounds.

Neutral berrygirl On Jul 14, 2006, berrygirl from Braselton, GA (Zone 7b) wrote:

I am unable to upload pix of my petunias to the PF this year b/c I can't 100% positively ID all the varieties. In the Spring, my seedsowing containers got blown over by winds and the tags, pots, and soil got mixed up and mis-placed.

They ARE pretty though and smell great! All of these petunias are heirlooms, also.

(info. from Select Seeds catalog):
Deep plum-purple flowers open from nearly black buds and then age to a slightly lighter shade, altogether distinctive. An old type with the charm of yesteryear.
Annual; 1.5-2 ft tall
Seed to bloom: 12 wks
Color: Plum-purple
Full sun
Soil: Rich, moist, well-drained
Hardiness: HHA

Sowing Instructions
Type: Annual
Depth: Surface
Flat temp: 65-75F
Sprout time: 7-20 days
Tip: Sow indoors 8-10 wks before planting out after frost.


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

Braselton, Georgia
Amelia, Ohio
Summerton, South Carolina

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