Partial Shade
Moderate watering
Frost Hardy
8a
USDA zone
-12°C
Minimum temperature
Expected size
Height | Spread | |
---|---|---|
3m | Max | 3.5m |
1.5m | Min | 2m |
Flowering
spring
summer
autumn
winter


Forsythia intermedia 'Karl Sax' Overview
A dense growing shrub with profuse clusters of dark yellow flowers and leaves which turn red or purple in autumn.
How to propagate Forsythia intermedia 'Karl Sax'
Cuttings
You can propagate by softwood or greenwood cuttings in the summer. Hardwood cuttings in the autumn or winter.
Special features of Forsythia intermedia 'Karl Sax'
Hedge plant
Other uses of Forsythia intermedia 'Karl Sax'
Hedging, border, ornamental