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Product Description
Alcea rosea 'Jet Black' is the classic dark crimson-black hollyhock that all of us
long for – elegant, stately flower spires throughout
the summer. You can grow Alcea rosea 'Jet Black' as a biennial to cut
down the risk of rust, or grow as a perennial in an open
sunny spot with good ventilation.
- H.1m 3ft
- Sow: March-August
- Seeds:50
| Genus: | Alcea rosea |
| Variety | 'Jet Black' | Type: | Perennial |
| Sowing: | Sow in Mar-Aug. | Site: | Full sun, fairly poor but well drained soil. | Height: | H. 1m (3ft) | Spacing: | Plant 45cm apart. | Hardiness: | Hardy | Care tips: | For larger, finer plants grow as biennials sowing under glass in the summer and planting out that autumn | Flowers: | ❀Late spring - autumn | For the vase: | Sear their stems for 20 secs before giving them a deep cool drink. Use their full height with either several colours jumbled together or a single colour in a stately vase. |
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