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Characteristics: Deciduous tree 20 m spread 6 m
Seeds per packet: 15
A rapid growing with smooth silver grey bark which breaks into fissures on older trees. Ovate to lanceolate acuminate leaflets with serrated margins.
Small greenish white or brownish purple flowers occur in dense pendant clusters in spring.
During winter the large unopened buds are jet black. Ash leaves are one of the latest to open.
Popular Bonsai subject.
Native to the UK and Europe.
Prefers a cool deep moist well-drained soil, frost resistant but drought tender.
Cold stratification is recommended for this species. This can be replicated by cold stratification in the refrigerator or alternatively over wintering in the garden in cold climates will assist germination.
Cold treatment is not critical for germination to occur but should give increased germination rates.
Seed are best sown in spring. The optimum germination temperature for germination is around 16-22°C
General note: Seeds of many plants are dormant and require specific conditions or pre-treatment for germination.
Do not be too hasty to discard seed that does not germinate, seeds will often lay dormant until the conditions are similar to their natural requirements for germination to occur. Containers put to one side will often surprise long after they were discarded.