249. Malus coronaria

Common name(s): Sweet Crab Apple, American Crab Apple, Wild Sweet Crab, Wild Crab

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

Propagation by Cuttings

Cutting type: stem tip
Time of year to take cuttings: late spring
Cutting maturity: softwood
Rooting hormone : IBA TALC 8000 PPM
Rooting environment : intermittent mist
Soil temperature for best rooting : 75-80 degrees F
Time to rooting : 8-10 weeks

Propagation by Seed

Time of year to collect seed: autumn
Time of year to sow seed: spring
Seed treatment : stratify 40F 2-3mo.
Time required for germination : 4-8 weeks
Comment: The germination enviroment temperature is 86 degrees F during the day and 68 degrees F at night. Weekly fungicide application to control powdery mildew.

Propagation by Grafting

Time of year to graft: late summer
Type of graft: 'T'
Comment: Stake buds from the time they are 12 to 24 inches high.