325. Rhododendron indicum

Common name(s): Azalea Indica, Macranthum Azalea

Plant type: evergreen medium shrub
Primary method of propagation: cutting
Alternate propagation method(s): seed, layering, grafting/budding

Propagation by Cuttings

Cutting type: stem tip
Time of year to take cuttings: spring
Cutting maturity: softwood, semi-hardwood
Rooting hormone : IBA TALC 8000 PPM
Rooting environment : intermittent mist
Soil temperature for best rooting : 70-75 degrees F
Time to rooting : 8-12 weeks
Comment: Do not wound cuttings. This is different from the rest of the Azaleas.

Propagation by Seed

Time of year to collect seed: autumn
Time of year to sow seed: late autumn
Seed treatment : no information
Preferred temperature for germination : 65-70 degrees F
Time required for germination : 2-4 weeks

Propagation by Layering

Type of Layering: air, tip
Time of year to layer: spring
Wounding: remove a ring of bark

Propagation by Grafting

Time of year to graft: no information
Stock: rootstock: R. ponticum
Comment: Cut suckers because they might take over the graft.