Ferocactus glaucescens
glaucous barrel cactus
A cactus with a globose to cylindric, grey-green stem to 60cm in height, sometimes clustered; with yellow spines to 2.5cm in length, and funnel-shaped yellow flowers 3-4cm across
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
10–20 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Grey Silver | |||
|---|---|---|---|---|
| Summer | Green Grey Silver | Yellow | ||
| Autumn | Green Grey Silver | |||
| Winter | Green Grey Silver |
Position
- Full sun
Aspect
South–facing or East–facing or North–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Cactaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Clump forming
- Genus
Ferocactus are spherical to columnar cacti with prominent ribs bearing spiny areoles, the spines sometimes hooked, and funnel-shaped flowers in summer
- Name status
Correct
- Plant range
- E Mexico
How to grow
Cultivation
Grow under glass in a standard cactus compost, in bright, filtered light, with low humidity. When in growth water moderately and feed every two or three weeks with a balanced liquid feed. Keep almost dry in the winter
Propagation
Propagate by seed sown at 10 - 20°C in early spring
Suggested planting locations and garden types
- Patio and container plants
- Low Maintenance
Pruning
No pruning required
Pests
May be susceptible to mealybugs
Diseases
Generally disease-free
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