Costus scaber       0

Author: Hipólito Ruiz López (1754-1815) & José Antonio Pavón (1754-1844)
Family: Costaceae
Genus: Costus
English name: Rough spiral ginger
Zone: Chile
General specifications
Biological type: plant
Frost resistance: 32ºF
Leaf color: dark green
Flower color: orange
Reproduction mode: hermaphrodite plant whoes flowers produce both male and female gametes

Specifications for the Mediterranean basin
Adult size (h x w): 6,5ft x 4,9ft
Sun exposure: part sun (Sun hours: >3h <6h
Foliage: evergreen
Growth: average
Flowering time from July until August

Specific information for our garden
Planting substrate: 40%Compost+20%Peet+40%Sand
Plant watering: 3x a week pH 5.5
Logical sequence of containers for: Bulbs; 2L forestry pot, 1L container, 25L high container, 145L wide cup
Propagation is done by root division
Sowing instructions
SPRING Soak the seeds in warm water of 140°F for 24-48h (Change the water every 12 hours) until the seeds swell. Sow the seeds at 5mm depth in the Well Drained Seed Sowing Mix between 59-68°F. During germination keep the substrate moist and in daylight. The seeds germinate in 3-6 weeks.
Experiences in the garden
09-04-19A Obtaining seeds from seed provider Rare Palm Seeds collected in '....'. (Cultivated from unknown origin)
14-05-19 Sown 50 seeds in a tray, they did not geminate in Serre4.
Protocol: Spring Soak 68°F 24-48h 5mm Sowing mix+Sand 68-77°F Damp substrate+Light 3-6w