171. Ginkgo biloba

Common name(s): Ginkgo Tree, Maidenhair Tree

Plant type: deciduous large tree
Primary method of propagation: seed
Alternate propagation method(s): cutting, grafting/budding

Propagation by Cuttings

Cutting type: stem tip
Time of year to take cuttings: summer
Cutting maturity: softwood
Rooting hormone : IBA TALC 8000 PPM
Rooting environment : intermittent mist
Soil temperature for best rooting : 70-75 degrees F
Time to rooting : 6-8 weeks
Comment: Take cuttings from male ginkgo trees only. Falling seeds from females cause problems. 'Autumn Gold' cuttings root best.

Propagation by Seed

Time of year to collect seed: autumn
Time of year to sow seed: early winter
Seed treatment : 40F for 2mo.
Time required for germination : 6-8 weeks
Comment: Mulch the seed bed.

Propagation by Grafting

Time of year to graft: winter
Type of graft: cleft, whip
Stock: rootstock: G. biloba
Comment: Scion: male Ginkgo. Graft while deciduous at ground level.