Notocactus haselbergii (Scarlet Ball)


Botanical Information

FamilyCactaceae
GenusNotocactus
Specieshaselbergii
SynonymsParodia haselbergii, Acanthocephala haselbergii, Brasilicactus haselbergii
CategoryTropicals
OriginBrazil.

Details

USDA Hardiness Zone9b - 10a
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cool season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH3
RHS Hardiness Ref.
Temperature (°C)-5
Temperature (°F)20
Height10 cm
Spread15 cm
GrowthSlow
Flowering PeriodMarch, April

Description and Growing Information

ID CharacteristicScarlet red to brick-red blooms in early spring.
ShapeRounded to mounding.
LandscapeIn potted succulent collections, in small scale rock gardens, as a specimen and as a potted patio accent plant.
PropagationBy division.
CultivationPlant in full sun to partial shade in extremely well-draining soil, with loose gravel added to aid in drainage.
PestsNo known pests or diseases.
Notable SpecimensMuttart Conservatory, Edmonton, Alberta, Canada.
HabitatDry outcrops, grasslands or pampas 500 - 1200 m above sea level.
Bark/Stem DescriptionFleshy succulent covered in a dense hair-like spines.
Flower DescriptionVivid, showy lotus-like flowers with narrow, erect pinnate petals arranged in rosettes up to 2 cm in diameter. Flowers bloom between 2 weeks to up to 2 months.
Colour DescriptionDeep green succulent flesh covered in white spines that fade to a golden brown. Blooms are scarlet red to brick-red in colour with golden yellow stamens.
Texture DescriptionSmooth and leathery to coarse and spiny.

Photographs