How to Grow Welwitschia Euphorbia
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Welwitschia Euphorbia
Pachypodium saundersii
shrubPachypodium saundersii is a rare, slow-growing succulent shrub native to southern Africa, characterized by a thick, swollen stem (caudex) and sparse, linear leaves that emerge from the apex. It produces striking yellow or cream-colored flowers in spring and summer. This plant is highly prized by succulent collectors for its architectural form and extreme drought tolerance.
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Example Welwitschia Euphorbia timeline · Pittsburgh, PA (Zone 6b)
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Plant Welwitschia Euphorbia
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 Welwitschia Euphorbia
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 10-11; can be grown indoors or in containers in cooler zones
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Get my Welwitschia Euphorbia timeline →Growth Stages
Seedling/Propagation
Weeks 1-12Tiny seedlings with minimal foliage emerge; caudex begins developing. Growth is extremely slow.
Keep soil barely moist, provide bright light, maintain warmth (70-80°F). Avoid overwatering which causes immediate rot. Use bottom heat if propagating from seed.
Juvenile
1-3 yearsSmall plant with swollen base developing and sparse linear leaves. Plant remains compact and slow-growing.
Transition to infrequent watering. Ensure excellent drainage. Provide full sun for optimal caudex development. Fertilize minimally.
Mature Vegetative
Ongoing after year 3Established plant with prominent caudex, sparse leaves radiating from top, and compact form. Plant may reach 2-3 feet tall.
Continue sparse watering pattern. Provide full sun. Avoid repotting unless necessary; Pachypodium resents root disturbance.
Flowering
2-4 months (spring/summer)Clusters of small, star-shaped yellow or cream flowers appear at the apex among the leaves in spring and summer.
Ensure plant has adequate sun and cool winter rest (50-60°F) to trigger flowering. Do not overwater during bloom.
Dormancy/Winter Rest
3-4 months (fall/winter)Leaves may reduce or drop; growth nearly ceases. Plant appears relatively inactive.
Dramatically reduce or cease watering. Keep cool (50-60°F if possible). Provide bright light but reduce active feeding.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Isolate plant; treat with neem oil or insecticidal soap spray. Remove with alcohol-soaked cotton swabs on smaller infestations.
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Manually remove or treat with horticultural oil. Repeat applications may be necessary.
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Increase humidity slightly; spray with water or neem oil. Remove heavily infested portions if necessary.
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Prevention is key: ensure excellent drainage and infrequent watering. If infected, remove from soil, trim rotted roots, repot in fresh dry soil.
Uses
Specimen Succulent Collection
CraftPachypodium saundersii is highly prized by succulent and xeriscaping enthusiasts as a dramatic architectural accent plant. Its unique swollen caudex and sparse form make it a focal point in carefully curated collections. [source]
Pollinator Attraction
WildlifeThe spring and summer flowers attract bees and other pollinators, providing visual interest and supporting local pollinator populations when grown in appropriate climates. [source]
Low-Maintenance Indoor Plant
HouseholdPachypodium saundersii is well-suited to container cultivation indoors in bright locations, requiring minimal watering and care once established. It works as a statement plant for contemporary or minimalist décor. [source]
Traditional African Uses
MedicinalIn its native southern African habitat, related Pachypodium species have been used in traditional medicine preparations. However, Pachypodium saundersii is rarely used medicinally and should not be consumed without expert guidance. [source]
Not Edible
CulinaryPachypodium saundersii is not suitable for culinary use and should not be ingested. It is purely ornamental. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
This plant is not harvested for edible or medicinal purposes. Flowers can be observed and photographed in their season (spring/summer). Seeds may develop from pollinated flowers and can be collected in late summer for propagation.
Fun Facts
- 🌱 Pachypodium saundersii is endemic to a very small region of southern Africa and is considered rare and vulnerable in the wild, making it a prized specimen in cultivation.
- 🌱 The thick caudex (swollen stem base) is an adaptation for water storage in arid environments, allowing the plant to survive prolonged droughts by drawing on internal reserves.
- 🌱 Despite its extreme rarity, it is technically possible to propagate from seed or cuttings, though the process requires patience and considerable skill, as seedlings grow only millimeters per year.
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