Populus tremula
Common name(s): European Aspen, Tremble, Zitterpappel
Plant type: deciduous large tree
Primary method of propagation: seed
Alternate propagation method(s): cutting
Propagation by Cuttings
Cutting type: secondary
Time of year to take cuttings: Winter
Cutting maturity: semi-hardwood, hardwood
Rooting environment: outdoor beds
Propagation by Seed
Time of year to collect seed: Autumn
Time of year to sow seed: Autumn
Preferred temperature for germination: 84-89 degrees F
Comment: Pre-soak the seeds in a two molar solution of sucrose for 30 minutes. Time required to germinate is two days. Some seeds germinate in 12 hours.
