Houstonia rubra, the red bluet, is a plant species in the Rubiaceae. It is a small herb with red to reddish-purple flowers, native to the southwestern United States and northern and central Mexico.
Houstonia Rubra Care
Houstonia Rubra
What is the plant
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Humidity
High
Lighting
Part Sun
Temperature
14°C - 30°C
Hardiness zone
5a - 10
Difficulty
Easy
How to Care for the Plant
Water
Water as needed to keep the soil slightly moist but never soggy.
Sunlight
It enjoys full sun or light shade.
Soil
An ideal soil would be made up of 45% minerals (sand, clay, silt), 5 % organic (plant and animal) material, 25% air and 25% water. The mineral portion would be loam (20 – 30% clay, 30 – 50% silt and 30 – 50% sand).
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Temperature
Grows best at 60-80°F (16-27°C).
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