Echinocereus reichenbachii (Lace Cactus, Hedgehog Cactus)


Botanical Information

FamilyCactaceae
GenusEchinocereus
Speciesreichenbachii
SynonymsEchinocactus reichenbachii
CategoryTropicals
OriginNative to North America near the deserts of northeastern Mexico.

Details

USDA Hardiness Zone10b
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cool season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH2
RHS Hardiness Ref.
Temperature (°C)35 - 45
Temperature (°F)2 - 4
Height15 - 40 cm
Spread5 - 15 cm
GrowthSlow
Flowering PeriodMay

Description and Growing Information

General DescriptionEchinocereus reichenbachii is a low-growing shrubby cactus whose narrow ribs are covered with elliptic to linear areoles bearing white spines.
ShapeGlobose to cylindric.
CultivationGrow in full sun and low humidity, in standard cactus compost with a pH of 6 - 7.5, containing medium to high inorganic content (more than half grit). Do not water during the winter months, from mid-autumn to early spring. Lightly mist on warm days in late winter.
HabitatIt thrives in a variety of sites and soils, often found growing out of cracks in solid rock near the deserts of Mexico.
Leaf DescriptionAreoles bear 12 - 40 white spines that are mostly short, arranged like the teeth of a comb.
Flower Description5 - 12 ⨉ 6 - 16 cm, funnel-shaped, with many pink to purple tepals (petals and sepals are undifferentiated).
Fruit DescriptionGreen, 1.5 - 3 cm, globose to ovoid. Seeds are black-brown or brown.

Photographs