Spiraea thunbergii
Images by part: leaf (5) · flower (5) · fruit (1) · bark (5) · habit (5) · other (3)

Spiraea thunbergii

Thunberg's meadowsweet · Thunberg Spiraea · Thunberg's Spiraea · Pearl Spiraea

Tier 2 Difficulty: easy Water: low Light: full_sun Toxicity: low
Temperature
5–35 °C
Soil pH
5–7
Hardiness
Zone 4–10
Click count
603
Observations
1,691

Description

Source: leafsnap

Spiraea thunbergii, commonly known as Thunberg's meadowsweet, is a deciduous shrub in the Rosaceae family. Native to Japan and China, this plant has gained popularity worldwide as an ornamental due to its attractive appearance and ease of cultivation. The shrub typically reaches a height of up to 6 feet and spreads 4-6 feet wide. It features slender, arching branches covered in small green leaves during the growing season. In spring, it produces abundant clusters of small white flowers that envelop the entire shrub. Spiraea thunbergii thrives in full sun or partial shade and prefers well-drained soil. While it is relatively drought-tolerant once established, the plant benefits from regular watering during dry periods. Often used as an accent or border plant in gardens, its attractive foliage and showy flowers make it a popular choice. Additionally, its arching branches make it suitable for hedges or screens. Overall, Spiraea thunbergii is an excellent option for gardeners seeking an easy-to-grow shrub with year-round visual appeal.

💡 Spiraea thunbergii contains several medicinal compounds, including salicylates, which are the basis for acetylsalicylic acid, the main ingredient in aspirin. The name "aspirin" is derived from the "a-" in acetylsalicylic acid and "spir-" from Spiraea. Salicylic acid was used by ancient civilizations for its pain-relieving and fever-reducing properties.

🌳 Baby's Breath Spirea is a dense, graceful flowering shrub known for its profusion of striking spring blooms. Its clusters of white flowers resemble branches completely adorned with blossoms. This hardy plant is resistant to diseases and pests, making it low-maintenance and ideal for flower borders and garden beds. Additionally, it serves as excellent ground cover for banks and slopes. Its delicate appearance and bloom style make Baby's Breath Spirea particularly well-suited for cottage and informal garden settings.

🎭 Love, Divination, Peace

Care Guide

💧 Water
☀️ Light Full sun
Ideal: Full sun
🌡️ Temperature 5–35°C
Ideal temperature: 5–35°C
💨 Humidity
Humidity:
🪴 Soil 5-7
Soil pH: 5-7
🌱 Fertilizer
🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Shrub
Life Cycle
Perennial
Genus
Spiraea
Family
Rosaceae
Hardiness Zone
4-10
Mature Height
1.52 m
Mature Spread
2.13 m
Leaf Color
Green, Yellow
Leaf Type
Deciduous
Flower Color
White
Flower Size
0.51 cm to 0.76 cm
Bloom Time
Spring
Planting Time
Spring, Autumn
Harvest Time
Late spring, Early summer, Mid summer
Native Area
Koppen, Japan, South Korea

Tags (8)

Common Names (4)

en Thunberg's meadowsweet
en Thunberg Spiraea
en Thunberg's Spiraea
en Pearl Spiraea