Ceratostigma plumbaginoides / Plumbago
Spreading by rhizones, plumbago makes an excellent groundcover around larger plants (it can overpower its smaller neighbors). Otherwise, it’s a trouble-free plant. Shown here at the foot of a butterfly bush.
Indigenous to China.
- Flowers this vibrant blue in August and September.
- Grows to about a foot tall and wide.
- Full sun or morning sun with afternoon shade (best).
- Hardy in Zones 5-9. (Mulch well in Zone 5.)
- When the new growth starts appearing in the late spring, remove the dead stems to the ground.
- Reasonably drought-tolerant, requiring extra watering during long periods of drought.
- Divide in spring, as needed, to keep it in bounds.