Canadian Summer Bluet (Houstonia canadensis) is a low-growing perennial with delicate blue-white flowers, thriving in moist, open woodlands and meadows. Blooms from late
At-a-glance light, water, soil, and growing conditions from plant data
Moderate to High
75% intensity
Prefers full sun to partial shade. Protect from intense afternoon sun in hot climates.
Moderate
50% intensity
Keep soil consistently moist but not waterlogged.
Well-drained
50% intensity
Moderate
50% intensity
Prefers cool to moderate temperatures, ideal range 15-24°C during the day.
Low
25% intensity
Fertilize sparingly in spring; avoid over-fertilizing.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly to keep the soil consistently moist, especially during dry periods. Avoid waterlogged conditions, which can lead to root rot. Allow the top centimeter of soil to dry slightly between waterings.
Reduce watering in cooler months when growth slows.
Deadhead spent flowers regularly to encourage more blooms and maintain a tidy appearance. Trim back overgrown or leggy stems in late spring or early summer to promote a bushier habit.
Pruning is generally light and focused on shaping and flower production.
Propagate by division in spring or fall. Carefully separate clumps of established plants, ensuring each division has roots and shoots. Sow seeds in fall or early spring.
Germination can be slow and erratic, often requiring stratification.
Repot young plants annually in spring into a slightly larger container. Established plants can be repotted every 2-3 years or when root-bound. Use a well-draining potting mix.
Ensure adequate drainage holes in the pot to prevent waterlogging.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Canadian Summer Bluet (Houstonia canadensis)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Gentianales |
| Family | Rubiaceae |
| Genus | Houstonia |
| Species | Houstonia canadensis |
Similar in genus Houstonia
Answers based on plant encyclopedia data
