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Propagation Methods: By dividing rhizomes, tubers, corms or bulbs (including offsets) 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
On Jan 7, 2013, idahocactus2 from Boise, ID wrote:
This is a very nice small plant and in a unique genus. It has characteristics of the neolloydia and mammillaria types and hence the name.
In southwest Idaho we grow another similiar but cold hardy plant, Escobaria sneedii ssp. leei, that can take temps down below zero with no damage, and thrive in our desert climate of the Boise Valley. You might try this plant if you are in the more northerly desert areas of the West. A very tiny and clustering species.
I also knew this plant as a mammilaria I like M plumosa more.I have no photos of that anymore. Plumosa needed to be grafted to do well My favorite for that was Lemairocereus pruinosis Iwhatsitsnamenow .It is sturdy,does not shrink ,will provide offsets without affecting the scion
Plantnutoo
On Mar 3, 2012, rinomanfroni from Arlington, TX (Zone 8a) wrote:
This one is definitely hardier than 20F! It survived at 17F in my cactus garden in February and now in March it is blooming like nothing happened! Very nice plant, although it is better to have it in a place where you can see it up close since the flowers are quite pale and they are not very noticeable from a distance.
On Apr 11, 2005, palmbob from Tarzana, CA (Zone 9b) wrote:
There are two synonyms for Mammillaria candida, and this is one of them... the other is Mammillaria humboldtii, which I have to say looks very similar to this plant... no clue why this is in a separate genus... sure looks like a Mammillaria. Has a great weave of radial spines that cover the cactus body giving it a nearly pure white appearance... hence snowball cactus... however, M humboldtii has the exact same weave.. just pinker flowers. Hmmm. Taxonomy is a mystery.
On Apr 10, 2005, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:
This is currently the only species in the Mammilloydia Genus.
Other synonyms of this plant are: Mammillaria sphaerotricha, Mammillaria candida var. sphaerotricha, Cactus sphaerotrichus, Chilita estanzuelensis, Chilita candida
The International Cacaceae Systematics Group (ICSG) accepted the Mammilloydia as a separate and distinct genus just recently prior to the year 2001. The difference is the seeds are not pitted and lack perisperm. The Mammilloydia genus is believed to be a result of convergent evolution between the Mammillaria and Neolloydia genera.
Also, just prior to the year 2001, the ICSG decided that Mammillaria humboldtii is a separate and different species of Mammilloydia candida, it is not a synonym as of at least 2001.
Regional...
This plant has been said to grow in the following regions:
Green Valley, Arizona Phoenix, Arizona Tucson, Arizona Hesperia, California Orange, California Manteo, North Carolina
One member has or wants this plant for trade.
