Five-Spine Rating - 3^?

Yes - small container size plant. This variety will occupy a small flower pot comfortably and remain a manageable sized house plant.

This variety will do their best as houseplants with lots of sun and they become stressed with inadequate light which could result in poor health or even death.

Yes - does well with cool winter time temperatures. This variety will tolerate temperatures down below 50 °F. if the roots are kept dry, and will do very well in a home with energy saving thermostat setting.

Yes - easy care root system. This variety stores water in the parts of the plant which are above the soil leaving the root system small enough to fit into a proportionally sized flower pot.

This variety is unlikely to flower as a house plant and they should be chosen with flowering as a low priority.

good locations,

Potential living space locations include; East, West windows with some direct sun, a South window or a three to four seasons room with slight shade. This species will tolerate very cool days and cold nights, but will need the temperatures to remain above 15 °F. If this variety is to be set outdoors during the growing season it needs to be in a location with plenty of sun and will tolerate lots of rain.

size,

These plants tend to remain single stem plants, and grow about 2 inches wide and up to 6 inches high.

ancestry,

Southwestern United States

plant origin,

Plants and seeds are propagated, and seeds are produced by windowsillcactus.com.

photo,

Purchase price includes 21 Coryphantha robustispina seeds. All other items in photo are for demonstration purposes only, and the monopoly dogs are shown as a size & scale reference. Jewelry in this photo is from Ann's Gemstone Creations: Elegant Sterling Silver and Semi-Precious Stone Necklaces, Bracelets and Earrings.

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