Photo by Melody

PlantFiles: Midnight Lady, Applecactus
Harrisia pomanensis

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Harrisia (hair-RIS-ee-uh) (Info)
Species: pomanensis

Synonym:Harrisia pomanensis subsp. pomanensis
Synonym:Cereus regelii
Synonym:Cereus bonplandii
Synonym:Eriocereus polycanthus
Synonym:Eriocereus tarijensis

Cactus and Succulents

4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
White/Near White

Bloom Time:
Mid Spring
Late Spring/Early Summer
Late Summer/Early Fall
Mid Fall

Unknown - Tell us

Other details:
This plant is suitable for growing indoors
Drought-tolerant; suitable for xeriscaping
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From woody stem cuttings
From softwood cuttings
Allow cut surface to callous over before planting
From seed; direct sow after last frost

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds

Click thumbnail
to view:

By Xenomorf
Thumbnail #1 of Harrisia pomanensis by Xenomorf

By Xenomorf
Thumbnail #2 of Harrisia pomanensis by Xenomorf

By Xenomorf
Thumbnail #3 of Harrisia pomanensis by Xenomorf

By Xenomorf
Thumbnail #4 of Harrisia pomanensis by Xenomorf

By Xenomorf
Thumbnail #5 of Harrisia pomanensis by Xenomorf

By QCHammy
Thumbnail #6 of Harrisia pomanensis by QCHammy

By Xenomorf
Thumbnail #7 of Harrisia pomanensis by Xenomorf

There are a total of 8 photos.
Click here to view them all!


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive 1077011947 On Dec 17, 2012, 1077011947 from Greer, SC wrote:

I was given this plant about 5 years ago. It was a piece that had broken off another plant. here in Greer, SC. IT has grown and is now growing up and along the soffit of the eaves of the house. I can not believe how hardy it is. No one expects to see this plant. I have to wire it to the house now because it fell over and broke two ice before. A very nice and robust plant.

Positive Xenomorf On Jul 13, 2004, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

Other synonyms include: Eriocereus pomanensis, Eriocereus bonplandii, Harrisia bonplandii, Harrisia pomanensis ssp. bonplandii, Harrisia pomanensis ssp. tarijensis.


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

Mesa, Arizona
Phoenix, Arizona
Greer, South Carolina
Austin, Texas

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