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Mammillaria Hahniana, Old Lady Cactus

Mammillaria Hahniana, Old Lady Cactus

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Sold out for the season, check back in the Spring!
SKU
HP891-C
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Sun Preference
Bright Direct, Full-Sun
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Description

Mammillaria hahniana, more commonly known as old lady cactus. It is a very globular cacti with spherical stems. It has very white hairs and a circle-like crown of bright magenta flower, which causes a beautiful contrast in colors.

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More Information

Common Family Name Cacti/Succulent
Sun Preference Bright Direct, Full-Sun
Plant Life Cycle Annual
Mature Height (Range) 7-12"
Mature Spread (Range) Under 12"

Product Questions (13)

Gertens carries annuals, perennials, shrubs, trees, water plants, house plants, edibles, cacti/succulents, seasonal blooming holiday plants and a wide variety of bulbs and seeds!
Hardiness is the capacity of a cultivated plant to withstand adverse conditions, usually its tolerance of low temperature. Plants are given a hardiness rating by the U.S. Department of Agriculture in 11 zones based on the coldest or warmest temperature...
Spider mites are common on house plants in our warm dry homes but are easily controlled with diluted rubbing alcohol or dish soup sprayed on the infected plant. Pyrethrin is an organic insecticide that will kill most insects on houseplants. The most ...
Yes! Apply neem oil early in the morning or at night when beneficial insects are dormant. This also protects the foliage from burning from the combination of sunlight and the oil. Keep in mind that it does take time for neem oil to work and you may need...
Plants growing in pots should be repotted when the roots start growing out of the drain holes. Typically, the new pot should be just one size larger than the pot it’s been growing in. Never use garden soil in a pot. Always use a soilless container mix...
Indoor lighting and supplement lighting are big topics. Fluorescent lights have been used to grow seedlings and must be within inches of the plants to be useful. The introduction of LED lights has improved the usefulness of grow lights dramatically. ...
Yes, you can overwater plants. Especially in pots but also in the ground, however, planting in the ground allows for better water dispersion so the odds of overwatering are less. Low lying areas may be more prone to flooding. Areas with clay soil also...
A rough estimate for the last frost date here in zone 4b is the first week of May. This is not exact, as Minnesota weather can be variable, but it does help for plantings.
Pottery for depends on the houseplant. For plants which like to be drier at the root, such as: palms, citrus, succulents, and cacti, use an unglazed terracotta pot. For houseplants...
Use ant repellents.  Terro = Grease Ants Revenge = Garden Ants NOTE: Before bringing...
Root stimulators provide a hormone to the root system to recover faster from any damage done during the transplant process. This will also help the roots grow faster and stronger. To view Gertens recommended root stimulator, click ...
Full sun is six or more hours of direct sunlight (Note: afternoon sun is the hottest). West side: plants that like it hot and dry.  Part sun is four to six hours of sunlight including some afternoon...
Mulch helps stabilizes soil moisture and temperature. Gertens experts recommend Red Cedar mulch, from that fact that the cedar oil repels soft body insects. Place mulch 2 ...
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