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| Category: Perennial |
| Family: Phormiaceae (~Xanthorrhoeaceae) |
| Origin: New Zealand (Australasia) |
| Evergreen: Yes |
| Red/Purple Foliage: Yes |
| Bloomtime: Infrequent |
| Height: 3-4 feet |
| Width: 2-3 feet |
| Exposure: Sun or Shade |
| Seaside: Yes |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 15-20° F |
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Phormium 'Platt's Black' (New Zealand Flax) - New Zealand Flax cultivar that has spreading and arching nearly black leaves that reach slowly upwards to 3 or 4 feet tall. Plant in full sun to light shade. Can tolerate fairly dry conditions (coastal) but looks best with occasional to regular irrigation. Hardy to 15-20 F. Possibly root hardy below these temperatures but with severe foliage damage unless protected. When we first saw this plant it was darkest of all the New Zealand Flax but it might be better in cooler climates as it seems to languish in southern California and with age losses its dark coloration. Older plants are a dark bronze color with new flushes of darker foliage. We have discontinued growing this plant in favor of the newer selection 'Black Adder'. Phormium 'Platt's Black' was selected by Mr. Graeme Platt of Platt's Nursery in Auckland from seed collected from Phormium 'Black Knight'.
This information about Phormium 'Platt's Black' displayed is based on research conducted in our horticultural library and from reliable online resources. We also will relate observations made about it as it grows in our nursery gardens and other gardens we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments that we receive from others and we welcome hearing from anyone with additional information, particularly if they can share any cultural information that would aid others in growing it.
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