Scottish Bonsai Association

Bonsai A to Z Challenge

Challenging the Bonsai A to Z entry for Cedar - Japanese (Cryptomeria japonica).

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Existing Bonsai A To Z Entry for Cedar - Japanese (Cryptomeria japonica) Cedar - Japanese (Cryptomeria japonica)  - (Tree Type (Outdoors)) Very tall evergreen native to Japan distinguished by red-brown string bark and blue-green foliage which changes to a bronze/brown tint in winter. STYLE : Best in formal/informal uprights, groups and twin trunk. WARNING : Clean out old foliage, spray daily with cold water and monthly with insecticide to prevent red spider mite infestation which can cause die-back. Picture shown : "With the permission of the Trustees of the Royal Botanic Gardens, Kew" Care Info LOCATION : Full sun position throughout the year. Needs protection from colds and frost. REPOT : Every 2-5 years depending on age, in mid to late spring. SOIL : Free draining soil : 40:60 grit:organic. pH 6.0-7.0. PRUNE : Spring pruning encourages new shoots but may be pruned in mid summer, as long as time is left for healing before winter. PINCH : Pinch back needles around new growth to 12mm (half inch) long. Do not cut needles. WATER : Water well in growing season, sparingly in winter. Benefits from foliar spraying with water. FEED : Two weekly balanced feed during growing season, low nitrogen in autumn. WARNING : Clean out old foliage, spray daily with cold water and monthly with insecticide to prevent red spider mite infestation which can cause die-back.

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