Photo of Cryptomeria japonica 'Koshyi' foliage by Greer Gardens Inc.

Photo by Greer Gardens Inc.

Used with permission, all rights reserved

Show all photos

Buy Cryptomeria japonica 'Koshyi'

Also Known As

  • Koshyi Dwarf Japanese Cedar

Plant type

shrub, conifer

size

  • H: 6"-15"
  • W: 20"-24"

planting zones

  • 5a-9b

6-9 inch | $36

Shipping based on order size & destination

Fewer than 15 at Bloom River Gardens

Cryptomeria japonica 'Koshyi' | $351

Shipping based on order size & destination

Fewer than 15 at Bloom River Gardens

More Options

Cryptomeria japonica 'Koshyi' plant details

Cryptomeria japonica 'Koshyi' is a slow-growing evergreen conifer shrub with green foliage. Grows well with sun - mostly shade and regular - occasional water. Does well in rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Cryptomeria japonica 'Koshyi'

Plant type: conifer shrub
Plant family: cupressaceae
Foliage: evergreen green
Mature size: 20 IN - 24 IN - wide, 6 IN - 15 IN - tall
Uses: compact, container plant, dwarf, rock garden, year round interest

GROWING CONDITIONS for Cryptomeria japonica 'Koshyi'

USDA Zones: 5a - 9b
Sun exposure: sun - mostly shade
Watering frequency: regular - occasional
Resistant to: verticillium wilt
Soil needs: rich and well-drained

We independently publish plant data to search multiple nurseries at once. We may earn a commission on qualifying purchases when you buy through our links.

Nursery contributed plant descriptions

A miniature flat mound. A great selection for the rock garden. Give it a break from the hot afternoon sun.
Cryptomeria japonica ' Knaptonensis ' A flat dwarf Japanese Cedar. Leaves light green with small congested stems that shoot out then congest-up again. Very flat and spreading. Watch hot afternoon sun. Plant origin is Japan.
A flat groundhugging Japanese Cedar! Koshyi will grow 2' wide and only 6? tall after 20 years. Super green color on one of the smallest members of this family.

By: Fantastic Plants

Evergreen shrub with slow spreading shape. Good in rock gardens or container. USDA Zones 5-9

Gardening facts about Cryptomeria japonica 'Koshyi' plant

How to Grow Cryptomeria japonica 'Koshyi'

  • Sun Exposure

    • sun - mostly shade
  • Water Needs

    • regular - occasional
  • Soil Needs

    • well-drained
    • rich
  • Special Situation

    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Foliage Season

    • evergreen

See other plant types of Cryptomeria for your garden

aka Granny's Ringlet, Spiralis Japanese Cedar

Plant Type

Shrub, Conifer

Zones

7a-11

Size

Height: 6'-20'

Width: 6'

  • sun - mostly sun
  • regular - occasional
Photo of Cryptomeria japonica 'Spiralis' foliage by Danger Garden
View Plant

aka Dacrydioides Japanese Cedar, Dacrydioides Sugi, Whip-cord Japanese Cedar

Plant Type

Tree, Shrub, Conifer

Zones

6a-9b

Size

Height: 10'-20'

Width: 4'-10'

  • sun
  • even moisture - regular
Photo of Cryptomeria japonica 'Dacrydioides' foliage by Cistus Nursery
View Plant

aka Crested Japanese Cedar, Fasciated Japanese Cedar

Plant Type

Tree, Shrub, Conifer

Zones

6b-11

Size

Height: 10'-30'

Width: 5'-12'

  • sun - shade
  • even moisture - drought tolerant
Photo of Cryptomeria japonica 'Cristata' foliage by plant lust
View Plant

More Options

aka Japanese Cedar

Plant Type

Tree, Conifer

Zones

7a-11

Size

Height: 10'-12'

Width: 4'-6'

  • sun - mostly sun
  • regular - occasional
Photo of Cryptomeria japonica 'Elegans Aurea' foliage by plant lust
View Plant

aka Plume Cedar, Plumose Japanese Cedar

Plant Type

Tree, Conifer

Zones

6a-9b

Size

Height: 10'-30'

Width: 5'-10'

  • sun
  • even moisture
Photo of Cryptomeria japonica 'Elegans' foliage, winter interest by plant lust
View Plant

More Options

+54 more Cryptomeria
Mailing List
Sign Up for updates on new plant arrivals and deals

© 2010—2026 Plant Lust, LLC All Rights Reserved