Water
Water consistently to keep the soil evenly moist, especially during the growing season. Avoid waterlogged conditions, as this can lead to root rot.
Reduce watering slightly in cooler months when the plant's growth slows down.
Houstonia rubra, the red bluet, is a small perennial wildflower native to the western United States, featuring delicate pink to reddish-purple flowers.
At-a-glance light, water, soil, and growing conditions from plant data
Full sun to partial shade
75% intensity
Prefers at least 6 hours of direct sunlight per day, but can tolerate some afternoon shade.
Consistent moisture
50% intensity
Keep soil evenly moist but not soggy. Reduce in cooler months.
Well-drained
50% intensity
Moderate
50% intensity
Thrives in average room temperatures between 18-24°C. Protect from frost.
Outdoor
50% intensity
Light feeding
25% intensity
Fertilize sparingly in spring with a balanced liquid feed.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water consistently to keep the soil evenly moist, especially during the growing season. Avoid waterlogged conditions, as this can lead to root rot.
Reduce watering slightly in cooler months when the plant's growth slows down.
Deadheading spent flowers can encourage more blooms throughout the season. Light trimming can be done after flowering to maintain a tidy shape. Remove any dead or damaged foliage as needed to keep the plant healthy.
Houstonia rubra can be propagated by seed sown in early spring or by division of established clumps in early spring or fall. Seeds may require a period of cold stratification to germinate effectively.
Repot young plants annually or as needed when they become root-bound. Mature plants generally prefer to be slightly root-bound and may not require frequent repotting. Use a well-draining potting mix.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Red Bluet (Houstonia rubra)
Where Red Bluet (Houstonia rubra) is found
Density
Tap map to explore
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Gentianales |
| Family | Rubiaceae |
| Genus | Houstonia |
| Species | Houstonia rubra |
Similar in genus Houstonia
Answers based on plant encyclopedia data
