Trientalis borealis
🍃leaf (5)
🌸flower (5)
🍎fruit (1)
🌳bark (1)
🌿habit (5)

Trientalis borealis

Starflower · Northern Starflower · Arctic Starflower · Chickweed-wintergreen

Tier 2 Difficulty: medium Water: low Light: partial_sun
0
Soil pH
5–7
Hardiness
Zone 3–9
Click count
197
Observations
457

Description

Source: leafsnap

Lysimachia borealis (synonym Trientalis borealis), the starflower, is a North American woodland perennial that blooms between May and June.

🌳 Starflower has an unexpected ecological function beyond its decorative appearance. Its tendency to prosper in particular soil conditions makes it a potential bioindicator of certain metals in the soil, assisting scientists with ecological assessments without using conventional invasive testing methods. This application is significant for phytoremediation research, which examines how plants can clean up contaminated environments.

Care Guide

💧 Water
☀️ Light Partial sun

Starflower prefers a mix of sun and shade for healthy growth, though it can do fairly well in more shaded spots. Light encourages the plant to thrive, but it is not necessary during every stage of development. Avoid leaving the plant in excessively bright conditions, and too little light can cause weaker growth and development.

Ideal: Partial sun
🌡️ Temperature 0–35°C

Starflower's native habitat is cool and moist, with temperatures ranging from 32 to 77℉ (0 to 25℃). While actively growing, the plant prefers 50 to 80℉ (10 to 27℃). In summer it can tolerate temperatures up to 95℉ (35℃). In winter, make sure temperatures do not fall below 32℉ (0℃).

Ideal temperature: 0–35°C
💨 Humidity
Humidity:
🪴 Soil 5-7
Soil pH: 5-7
🌱 Fertilizer

Generally, a single fertilizer application in spring is enough for Starflower, but repeated feedings can maximize growth. Feed every 4 to 6 weeks. Fertilization improves the appearance and function of the leaves, helping maintain even color and a healthy texture. It also promotes root development and nutrient uptake for the plant’s long-term health.

🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Trientalis
Family
Primulaceae
Hardiness Zone
3-9
Mature Height
10 cm to 20 cm
Mature Spread
15 cm to 46 cm
Leaf Color
Green, Blue
Leaf Type
Deciduous
Flower Color
White
Flower Size
1.27 cm
Bloom Time
Late spring, Early summer
Planting Time
Spring
Harvest Time
Mid summer

Tags (6)

Common Names (4)

en Starflower
en Northern Starflower
en Arctic Starflower
en Chickweed-wintergreen