Images by part: leaf (5) · flower (5) · fruit (0) · bark (1) · habit (5) · other (1)
Houstonia caerulea
Azure bluet · Quaker-ladies · Bluets · Azure Bluets · Little bluets
Tier 2 Difficulty: medium Water: moderate Light: full_sun Toxicity: low
0
Soil pH
4–5
Hardiness
Zone 3–9
Click count
292
Observations
513
Description
Source: leafsnapHoustonia caerulea, commonly known as azure bluet, Quaker ladies, or bluets, is a perennial species in the family Rubiaceae. It is native to eastern Canada (Ontario to Newfoundland) and the eastern United States (Maine to Wisconsin, south to Florida and Louisiana, with scattered populations in Oklahoma). It is found in a variety of habitats such as cliffs, alpine zones, forests, meadows and shores of rivers or lakes.
🎭 Aacred and deep longings of a poet’s soul, transitoriness, of spring and of beauty
Care Guide
💧 Water
☀️ Light Full sun
Ideal: Full sun
🌡️ Temperature 0–35°C
Ideal temperature: 0–35°C
💨 Humidity
Humidity:
🪴 Soil 4-5
Soil pH: 4-5
🌱 Fertilizer
🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Characteristics
- Plant Type
- Herb
- Life Cycle
- Perennial, Annual
- Genus
- Houstonia
- Family
- Rubiaceae
- Hardiness Zone
- 3-9
- Mature Height
- 15 cm
- Mature Spread
- 10 cm
- Leaf Color
- Green
- Leaf Type
- Evergreen, Deciduous
- Flower Color
- Blue, White, Yellow, Purple
- Flower Size
- 1.02 cm
- Bloom Time
- Mid spring, Late spring, Early summer
- Planting Time
- Spring
- Harvest Time
- Early summer, Mid summer
Tags (17)
Common Names (5)
en Azure bluet
en Quaker-ladies
en Bluets
en Azure Bluets
en Little bluets