Overview
Dasylirion longissimum is a tufted cactus succulent in the genus Dasylirion, part of the Asparagaceae family, with evergreen foliage. Dasylirion longissimum grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H2. Suggested uses include patio and container plants, sub-tropical and conservatory and greenhouse.
About
Dasylirion longissimum is a tufted evergreen shrub within the Asparagaceae family. As a member of the Dasylirion genus, it features robust stems topped with terminal rosettes of slender, spiny leaves. This cultivar thrives in full sun and prefers well-drained loam or sandy soils with a range of pH levels from acid to alkaline. It is best suited to sheltered, south- or west-facing aspects and is hardy to UK zone H2. Dasylirion longissimum is ideal for patio or container planting, as well as sub-tropical conservatories and greenhouses, with winter interest provided by its evergreen foliage.
Growing conditions
Best soil and position for Dasylirion
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H2
Plant details
Dasylirion longissimum size, habit and characteristics
- Plant type
- Cactus Succulent, Shrubs
- Habit
- Tufted
- Foliage
- Evergreen
- Suggested uses
- Patio and container plants, Sub-tropical, Conservatory and greenhouse
Care notes
Pruning and caring for Dasylirion longissimum
- Propagation
- Seed sown at 21°C in spring
- Pest resistance
- Mealybugs, Scale insects
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Dasylirion longissimum?
Dasylirion longissimum prefers full sun. It suits sheltered positions.
What soil does Dasylirion longissimum need?
Dasylirion longissimum grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Dasylirion longissimum hardy in the UK?
Dasylirion longissimum has an RHS hardiness rating of H2, meaning it is tender, tolerating 1–5°C, and needs frost-free protection over winter.
How do I propagate Dasylirion longissimum?
Seed sown at 21°C in spring.
