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cactusArizona NativePet FriendlyPollinator Plant

Organ Pipe

Stenocereus thurberi

Organ Pipe

A majestic multi-stemmed native cactus whose night-blooming flowers are pollinated by lesser long-nosed bats.

Frost sensitive, hardy to about 25-28°F, USDA 9-11; a warm low-desert Sonoran native.

AMWUA Notes

Native and extremely drought tolerant; needs no supplemental water once established.

Care Guide

💧Watering

Established plants need no irrigation; water a young transplant monthly its first summer only, keeping it dry to prevent rot.

✂️Pruning

Remove frost-damaged or broken stems, sterilizing tools between cuts.

🌱Fertilizing

Not needed.

🛡️Pests

Bacterial rot from cold, wet conditions is the main risk; pests are rare.

☀️Seasonal Notes

Frost-tender in youth; protect the tips below 28°F, and night flowers in late spring and summer feed bats.

Soil, Feeding & Propagation

🪨Soil

Fast-draining decomposed granite; lean, low organic matter

💧Drainage

Needs sharp, fast-draining soil.

🌱Nutrient Needs

None — thrives in lean desert soil without fertilizer.

🌰Propagation

Stem cuttings (callus first) or seed

📐Spacing

8-10 ft

🌳Roots & Placement

Shallow, non-invasive roots; site the multi-stemmed mass away from walkways

Placement Tips

  • Feature as a multi-stemmed specimen with room for a 10 ft spread.
  • Keep away from walkways.
  • Plant in fast-draining granite on a warm south or west exposure.
  • Protect from cold-air pooling in low spots.

Features

Multi-stemmed columnar formNight-blooming pale pink flowersBat-pollinatedEdible fruit

Best Uses

SpecimenNatural landscapeNight garden

Ecological Value

Attracts

bats

Quick Stats

Water NeedsVery Low (Xeric)
Sun Exposurefull sun
Mature Size10 ft H × 10 ft W
Growth Rateslow
Maintenancelow
HardinessUSDA 9-11
FoliageEvergreen
Drainagesharp, fast-draining
Bloom SeasonSpring-summer
Bloom ColorPale pink
Litter Levellow
Thornsmedium
Native RegionSonoran Desert

Design Styles

desert modernnative habitat

Include in Your Project

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Use this care guide to maintain your Organ Pipe. Questions about your landscape? Reach out anytime.

Data from 2024 AMWUA “Landscape Plants for the Arizona Desert” guide.