Photo by Melody

PlantFiles: Amaryllis
Hippeastrum 'Ackermanii'

Family: Amaryllidaceae (am-uh-ril-id-AY-see-ee) (Info)
Genus: Hippeastrum (hip-ee-ASS-trum) (Info)
Cultivar: Ackermanii

2 members have or want this plant for trade.


18-24 in. (45-60 cm)

12-15 in. (30-38 cm)

USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Parts of plant are poisonous if ingested

Bloom Color:
Scarlet (Dark Red)
White/Near White

Bloom Time:
Late Spring/Early Summer


Other details:
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer
Flowers are good for cutting
Suitable for growing in containers

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By TomH3787
Thumbnail #1 of Hippeastrum  by TomH3787

By MelissaGoodman
Thumbnail #2 of Hippeastrum  by MelissaGoodman


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive gardeningrace On Sep 23, 2009, gardeningrace from Lexington, SC wrote:

got this plant from a friend - multiplies like crazy in the sunny, sandy site I chose. Don't know best time to dig bulbs and replant, but it has tolerated several experiments! Beautiful old stock, very hardy, lots of huge flowers on tall stalks. Even the foliage alone is nice.

Positive TomH3787 On May 10, 2008, TomH3787 from Raleigh, NC (Zone 7b) wrote:

Excerpt from Plant Delights catalog: There are many plants parading around under the moniker H. x johnsonii. Most of the plants actually seem to be this old hybrid between H. aulicum and H. x johnsonii. H. 'Ackermanii' is an extremely hardy and vigorous cultivar. The wide, glossy green leaves are topped in late April and May with 20" spikes ending in star-shaped, red flowers with a white star central pattern.

Mine was rescued from a construction site in Pensacola, FL but has adapted well to Raleigh, NC. Very easy to grow and multiplies nicely.


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

Panama City, Florida
Stuart, Florida
Atlanta, Georgia
Raleigh, North Carolina
Lexington, South Carolina

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