How to Grow Sulcorebutia tiraquensis
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Sulcorebutia tiraquensis
Sulcorebutia tiraquensis
succulentSulcorebutia tiraquensis is a small, clustering barrel cactus native to the high-altitude regions of Bolivia. It produces small, vibrant magenta or deep pink flowers and forms dense mounds of spiny, globular stems. This species is highly valued by collectors for its compact growth habit and prolific blooming.
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Example Sulcorebutia tiraquensis timeline · Pittsburgh, PA (Zone 6b)
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Plant Sulcorebutia tiraquensis
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Sulcorebutia tiraquensis
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 10-11; can be grown in zone 9b with winter protection or as a container plant moved indoors
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Get my Sulcorebutia tiraquensis timeline →Growth Stages
Seedling
3-6 monthsTiny, translucent green globes, 2-5mm in diameter with minimal spination
Keep soil barely moist, provide bright light without intense direct sun, maintain 70-75°F; very slow growth at this stage
Juvenile
6-12 monthsSmall spheres, 1-2 cm diameter, developing characteristic spining pattern and clustering tendency
Gradually increase light intensity, begin minimal feeding with diluted cactus fertilizer in spring, maintain excellent drainage
Vegetative/Clustering
Ongoing once matureMature clusters of 2-10 cm diameter stems, dark green with well-developed spines in characteristic sulcate (grooved) pattern
Provide full sun for compact growth, water during growing season only, allow winter dormancy period, fertilize monthly in spring/summer
Flowering
4-8 weeks in springBright magenta, deep pink, or occasionally purple flowers bloom near the base of stems, 1-2 cm diameter, opening in morning
Ensure winter cooling period (50-60°F for 6-8 weeks) is provided for reliable blooming; do not water during dormancy; blooms appear in spring
Seed Production
4-6 weeks post-floweringSmall, dry seed capsules develop from flowers; capsules dry and split to release tiny black seeds
Allow capsules to mature naturally; collect seeds when fully dry; seeds are viable immediately but benefit from cool, dry storage
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity slightly, spray with water to dislodge, use horticultural oil if severe; ensure good air circulation
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Remove with alcohol-dampened cotton swab, apply neem oil or insecticidal soap, improve air circulation
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Repot into fresh, sterile soil, inspect roots for white cottony masses, discard heavily infested specimens
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Inspect regularly for small brown bumps on stems, remove manually, apply horticultural oil if widespread
Uses
Colorful Container Cactus
OrnamentalSulcorebutia tiraquensis is prized in succulent collections and rock gardens for its compact, cushion-like clusters and spectacular magenta spring flowers. It remains relatively small, making it ideal for containers, cactus gardens, and alpine troughs. [source]
Pollinator Flower Source
WildlifeThe bright pink to magenta flowers attract native bees and other pollinators in spring, providing important early-season nectar for alpine regions. In cultivation, the blooms support beneficial insects in greenhouse or garden settings. [source]
Collector's Specimen
CraftHighly sought after by cactus and succulent enthusiasts, particularly collectors interested in rare Bolivian species and miniature alpine forms. The challenge of cultivation and rarity in the trade make it a prized specimen. [source]
Low-Maintenance Houseplant
HouseholdIdeal for sunny windowsills, greenhouse benches, or bright shelves where it requires minimal water and maintenance. Thrives in cool, bright indoor conditions and tolerates irregular care. [source]
Harvest Tips
Collect seeds from mature, dried capsules in summer. For propagation, allow seed pods to split naturally or gently extract when fully dry. Seeds germinate best when sown on moist, well-draining seed mix at 70-75°F with bright light. Offsets can be carefully removed and dried for 1-2 weeks before planting in dry soil.
Fun Facts
- 🌱 Sulcorebutia tiraquensis is named after Tirabuzón (Tirabuzon), a region in Bolivia where it was originally collected; the genus name 'Sulcorebutia' refers to the characteristic sulcate (grooved) ribs on the stems.
- 🌱 Despite its delicate appearance, this cactus is highly adapted to extreme high-altitude conditions in the Andes Mountains, where it experiences intense solar radiation, cool temperatures, and minimal water—making it surprisingly hardy in well-drained cultivation.
- 🌱 The flowering display is remarkably prolific; a mature cluster can produce dozens of flowers over several weeks, creating a stunning carpet of magenta blooms that nearly covers the plant.
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