Cleistocactus is a genus of columnar cacti, of which there are about 50 species. At maturity, new shoots arise from the base. Grow in full light where humidity is low.
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Size: Height: 0 ft. to 0 ft.
Width: 0 ft. to 0 ft.
Plant Category: cacti and other succulents,
Plant Characteristics: columnar, low maintenance, seed start,
Foliage Characteristics: evergreen,
Bloomtime Range: not applicable
USDA Hardiness Zone: 8 to 11
AHS Heat Zone: Not defined for this plant
Light Range: Sun to Full Sun
pH Range: 5.5 to 8
Soil Range: Sand to Loam
Water Range: Arid to Dry
FertilizingHow-to : Fertilize Monthly
Now is the time to begin fertilizing with a water-soluble fertilizer. Continue through the end of summer.
LightConditions : Partial Sun, Partial Shade
Part sun or part shade plants prefer light that is filtered. Sunlight, though not direct, is important to them. Often morning sun, because it is not as strong as afternoon sun, can be considered part sun or part shade. If you live in an area that does not get much intense sun, such as the Pacific Northwest, a full sun exposure may be fine. In other areas such as Florida, plant in a location where afternoon shade will be received.
Conditions : Bright Light for Houseplants
Houseplants requiring bright light should be placed within 2 feet of an eastern or western exposure window or within 2 to 5 feet of a southern exposure window.
Conditions : Full Sun
Full Sun is defined as exposure to more than 6 hours of continuous, direct sun per day.
WateringConditions : Semi-Arid
Semi-Arid is defined as very little water/rainfall occurring only during certain times of the season.
Conditions : Dry Plants
Dry plants do not tolerate water logged soils and require very little water. Many cacti and succulents fall into this group. Water only when soil becomes completely dry. When watering, do so slowly for a long period of time so that topsoil does not wash away and so that soil has ample time to become moist enough to accept water. It is much better to water for a long time and less frequently allowing soil to dry out completely between waterings.