Quercus species/ Oak Species Guide
Quercus species suitable for Bonsai include;
Q.cerris/ Turkey Oak, Q. petraea/ Sessile Oak, Q. robur/ English Oak + many others
Ease of Cultivation 6/10 Suitablity and Ease for Bonsai Styling 7/10
Position Outdoor tree only. Full sun and good air circulation. Protect from hard frost below -5°C.
Repotting Standard practise says that Oak should be repotted yearly as leaves just start to open in late Spring until the tree is 10 years or older, then every 2-3 years.
Pruning Trim new shoots and pinch out apical buds unless extension is required. Remove large leaves as necessary.
Propagation Sow seed outside as soon as ripe. Air-layering with difficulty.
Pests and Diseases Very susceptible to mildew problems unless good air circulation is provided, also oak wilt, aphids and gall wasps.
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