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Itoigawa Shimpaku Juniper
AdvancedJuniperus chinensis
The finest Shimpaku variety from Itoigawa. Extremely fine scale foliage grows densely, prized for delicate leaf character. Produced many masterpieces at exhibitions.
About
The Itoigawa Shimpaku (Juniperus chinensis 'Itoigawa') is a highly esteemed dwarf cultivar of Chinese juniper endemic to the mountains near Itoigawa City in Niigata Prefecture, Japan. It is widely regarded as the finest juniper variety for bonsai in the world, distinguished by its extraordinarily fine, densely packed scale foliage of deep bluish-green. Growth is remarkably slow, making each specimen a product of decades of patient cultivation. The interplay of living foliage pads with jin and shari deadwood elements — representing the struggle of life against harsh mountain conditions — is central to the aesthetic. International demand for this variety is extremely high.
Basic Info
Origin
China (Itoigawa Shimpaku is endemic to Niigata, Japan)
Lifespan
Centuries
Size
10-60cm (bonsai size)
Temperature
-5〜35℃
Watering & Fertilizer
−
Growing Tips
Placement
Full sun outdoors year-round
Watering
Keep slightly dry. Overwatering causes root rot
Styling
Finger-pinch thinning is standard. Minimize scissor use
Notes
Remove any reversion to juvenile foliage immediately
Itoigawa Shimpaku Juniper FAQ
QWhat is the growing difficulty level for Itoigawa Shimpaku Juniper?
Advanced. A variety suitable for advanced growers. Requires advanced cultivation techniques and specialized equipment, with careful environmental adjustments needed.
QWhat is the ideal temperature for Itoigawa Shimpaku Juniper?
The ideal temperature for Itoigawa Shimpaku Juniper is -5〜35℃. Avoid sudden temperature changes and maintain a stable environment.
QWhat is the lifespan of Itoigawa Shimpaku Juniper?
The average lifespan of Itoigawa Shimpaku Juniper is Centuries. With proper cultivation environment and nutrient management, you can keep it healthy for a long time.
QHow large does Itoigawa Shimpaku Juniper get?
The mature size of Itoigawa Shimpaku Juniper is 10-60cm (bonsai size). This may vary slightly depending on cultivation environment and individual differences.
QHow should I water and fertilize Itoigawa Shimpaku Juniper?
Itoigawa Shimpaku Juniper: watering & fertilizer — −. Aim for appropriate frequency and amount.
QWhat is the typical price for Itoigawa Shimpaku Juniper?
The price of Itoigawa Shimpaku Juniper varies significantly by variety, characteristics, size, and lineage. Please check ボタちょく's price guide for the latest market information.
Last updated: June 24, 2026
Growing Specifications
- USDA Zone
- 3–9
Sources: Oregon State Univ. Landscape Plants: Juniperus chinensis
References & Sources
Edited & verified by: BoTachoku Editorial Team
The classifications, regulations, and growing data on this page are created and verified based on the primary information database below.
Taxonomy & Authority
Regulations & Conservation Status
Sources: CITES Checklist of CITES Species
Regulations may change. Always verify the latest information with the relevant authorities.
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