Agapanthus BlackJack
- Perennial
- Chelsea Plant of the Year
- 60-90 cm high
- Dark blue to almost black flowers
- Evergreen
RHS Chelsea Plant of the Year 2023.
Striking inky black flower buds and intense dark purple flowers. Vigorous, compact and with an extra long flowering period.
Garden use
Planting and use
Pots and small gardens
Dry or sunny locations
Cut flower or dried flower
Ornamental value
Planting density
Plant about 5 - 7 plants per m²
Characteristics
| Height | 60 - 90 cm |
|---|---|
| Flowering time | June - August |
| Flower colour | purpleblue, violetblue, black |
| Growth habit | wide |
| Growth rate | fast |
| Hardiness | down to about -15°C |
Site conditions
| Light | full sun, sunny |
|---|---|
| Moisture | average, moist |
| Soil | light, normal |
| Soil fertility | normal |
Botanical information
| Botanical name | Agapanthus BlackJack |
|---|---|
| Genus | Agapanthus |
| Family | Liliaceae |
OTHER COOL PLANTS


