Arizona Cactus Care

Water slow and deep with in ground cacti, this seems to really keep them from stressing so much and grow more evenly. This is also referred to as ‘deep soaking’. Deep soak is a slow, but steady, drip from a garden hose over a two to six hour period. The size of plant determines the duration.

When pruning, the natural form of any plant should be maintained, and topping or hedging does just the opposite. Most desert plants such as cacti and succulents have some type of armament to protect them in their native habitat.

Soil. Most cacti should be grown in mineral-based soils consisting of a mixture of sands, silts, and gravel (good drainage) and which does not harden when dry. Cacti from tropical dry forests and high altitude regions benefit from a mix containing 25-50% of decomposed organic matter.

“If the heat is too severe they will stop growing,” he said. Cacti require temperatures of about 85 degrees at night so they're able to respire, the plant equivalent of breathing. If nighttime temperatures remain too high the plants' water reserves will slowly be depleted.

Many other plants, such as the candelabras cactus and mistle toe can cause vomiting and diarrhea when ingested. Perhaps one of the most commonly encountered plants, however, is poison oak or poison ivy.

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