Symphyotrichum patens
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Symphyotrichum patens

Clasping Aster · Late Purple Aster · Late Purple Or Spreading Aster · Skydrop Aster · Spreading Aster

Tier 2 Difficulty: medium Water: low Light: full_sun Toxicity: low
Temperature
5–32 °C
Soil pH
6–7
Hardiness
Zone 4–8
Click count
15
Observations
2

Description

Source: leafsnap

Symphyotrichum patens, commonly known as late purple aster or spreading aster, is a perennial wildflower found in the eastern United States.

🎭 Affection

Care Guide

💧 Water

The late purple aster requires consistent moisture and prefers soil that is evenly moist but not waterlogged. To maintain this balance, water it weekly. It grows best outdoors, where it can benefit from natural rainfall during the growing season, which aligns with its water needs.

☀️ Light Full sun

The late purple aster does best when warmed by plentiful sunlight, though it can tolerate reduced exposure if necessary. This preference stems from its native habitat, which receives ample sun. Too much light can stress the plant, while too little light undermines its vigorous growth.

Ideal: Full sun
🌡️ Temperature 5–32.2°C

Late purple aster prefers temperate climates, thriving at temperatures between 41 and 89.6°F (5 to 32℃). It is native to an environment that requires seasonal temperature adjustments. Tend it carefully in harsh conditions.

Ideal temperature: 5–32.2°C
💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

The best time to fertilize a Late purple aster is in early spring, as it comes out of dormancy and starts active growth. Fertilizing supplies essential nutrients for healthy growth. Although the Late purple aster has relatively low fertilizer needs, fertilizing annually can improve its survival and encourage better, longer-lasting flowers.

🪴 Pot & Repot
✂️ Pruning

The late purple aster produces vibrant purple flowers during the fall. To encourage growth and improve its shape, prune the plant in the spring after the last frost. Removing old blooms can extend the flowering period, while regular light pruning helps maintain the plant's health and enhances its ornamental appeal.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Symphyotrichum
Family
Asteraceae
Hardiness Zone
4-8
Mature Height
61 cm to 91 cm
Mature Spread
46 cm to 61 cm
Leaf Color
Green, Black
Leaf Type
Semi-evergreen
Flower Color
Purple, Lavender
Flower Size
2.54 cm
Bloom Time
Late summer, Early fall, Mid fall
Planting Time
Spring, Summer
Harvest Time
Fall

Tags (9)

Common Names (5)

en Clasping Aster
en Late Purple Aster
en Late Purple Or Spreading Aster
en Skydrop Aster
en Spreading Aster