Butterfly bush 'Greenway's River Dart'

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Greenway's River Dart is thought of as hardy, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea).

By our calculations, you should look at sowing Greenway's River Dart about 56 days before your last frost date.

As Greenway's River Dart is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.