The Cactus Thread

This thread features a comprehensive discussion on growing, identifying, and propagating cacti and succulents, highlighting community observations, practical troubleshooting, and individual species behavior.
  • Cold Hardiness Limits: Community members noted that several species, including Oreocereus celsianus and cold-tolerant Echinocereus varieties, can survive extreme freezing temperatures down to 0°F (-18°C) as long as their soil remains completely dry throughout winter.
  • Water Therapy Propagation: A specialized method of suspending rootless or severely dehydrated cacti like Astrophytum over water with rubber bands was praised for encouraging rapid root initiation within just a few days.
  • Lighting and Dormancy Requirements: Members cautioned against placing desert cacti in dark indoor rooms or relying solely on basic grow lights, emphasizing that full sunlight and a cool winter dormancy period are necessary to induce blooming.
  • Pest Management Practices: Effective solutions for mealybugs include direct application of isopropyl alcohol and systemic insecticides, while using volcanic ash grit helps prevent sciarid fly larvae infestations.
@ Zigs would you be so kind as to look at this cacti I have. It was not labeled and was just one little hairy ball when I got it 4 years ago. I take it in in winter (we have wet winters) and have it planted in sand and grit. It gets little pink flowers in summer.

I have no idea what it's called.
I call him "Cousin It " . 😄
IMG_20240629_072734.webp
 
He will know Annie, but in the meantime I shall have a guess at Mamillaria bocasana - let's see if I got it right :unsure:
Mind you, I think ''Cousin It'' is a much better and more apt name :ROFLMAO:
 
Calling @Zigs for succulent Id. Thanks in advance.

A friend gave us this plant and she did not know the name. It shot up these flowery branches and one of them has this green pod on it. Possibly seed pod? Or maybe a gall?

unknown succlent.webp
 
We weren't at all sure on this one, so I checked it out. and it appears to be the seed pod and flower of a red yucca.
1720109217204.webp I think you will hear from Zigs shortly. It's a lovely plant, and I believe, a native to Texas It is both heat and cold hardy, and its right name is Hesperaloe parviflora.
 
Looking good Zigs and that's a bonus flowering outside.
I have to agree Logan, the cactus are not really 'my thing' but I didn't expect he would achieve a flowering plant that had seen so much cold weather. It wasn't only the snow and frost, but those horrible easterly winds we had as well. That first flower was a bit of a miracle, I thought.
 
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