Special Web Offer - Get 50% OFF!
Grab Your Deal Now
PlantSnap
Plant Care
Ribbed spineflower
(Johnstonella costata)
Also Known As
Ribbed spineflower, Caribbean scales, Pineapple plant
About This Plant
Johnstonella costata is a species of flowering plant in the family Melastomataceae. It is a small shrub that grows up to 1 meter tall, with hairy stems and leaves. The flowers are pink to purple and grow in clusters at the ends of the branches.
Plant Care Instructions
Outdoor Size Range
1-3 feet (30-90 cm)
Light Requirements
Johnstonella costata prefers partial shade to full sun.
Humidity Needs
Moderate humidity is preferred, but it can tolerate lower humidity levels.
Fertilizing Schedule
Fertilize with a balanced fertilizer every 2-3 months during the growing season.
Pruning Guidelines
Prune after flowering to control its shape and size.
Common Pests and Diseases
It is generally pest-free, but it can be susceptible to scale insects.
Indoor Size Range
Not suitable for indoor cultivation.
Watering Schedule
It requires moderate watering, and the soil should be kept moist but not waterlogged.
Temperature Range
It prefers warm temperatures between 60-80°F (15-27°C).
Growing Season
Spring and summer are the growing seasons for Johnstonella costata.
Growing Difficulty Level
Moderate difficulty to grow.
USDA Hardiness Zones
It is hardy in USDA zones 10-11.
Did You Know?
Johnstonella costata is named after the botanist Ivan Murray Johnston, who collected the type specimen in Ecuador in 1948.
