Berberis thunbergii 'Sunsation'--Sunsation Japanese BarberryGardener's Note: Japanese Barberry is a non-native invasive plant in the upper Midwest (WI weed list), South, Mid-Atlantic and New England. It's also on the invasive plant list of the National Park Service. It's destructive to natural areas and best avoided as a landscape shrub altogether. Nandina 'Firepower' makes a good substitution in zones 6-9. For more information, see the following links:
www.midwestlandscapeplants.org/plantdetails.cfm?speciesid=469
www.invasive.org/browse/subject.cfm?sub=3010
www.nps.gov/plants/alien/fact/beth1.htm
- Dwarf, deciduous, thorny shrub with bright golden foliage
- Tolerant of most well-drained soil conditions and drought tolerant once established
- Known invasive plant; prune after bloom in early summer to prevent seed formation
- Plant in full sun.
- Height: 3 feet
- Width: 2 feet
Hardy in USDA zones 4-8:
- Zone 4: Plant in spring; apply additional mulch after first hard frost; plant in full sun; avoid contact with salt; water regularly in dry spells during first growing season.
- Zone 5: Plant in spring; apply additional mulch after first hard frost; plant in full sun; avoid contact with salt; water regularly in dry spells during first growing season.
- Zone 6: Plant in spring or early fall; apply additional mulch after first hard frost; plant in full sun; water regularly in dry spells during first growing season.
- Zone 7: Plant in early fall; apply additional mulch after first hard frost; plant in full sun; water regularly in dry spells during first growing season.
- Zone 8: Plant in early fall; apply additional mulch in fall; plant in full sun; water regularly in dry spells during first growing season.