Brunnera macrophylla 'JACK FROST'
Brunnera macrophylla 'JACK FROST'
Siberian Bugloss
SIZE/TYPE |
low perennial |
USUAL HEIGHT |
0.2-0.3m |
USUAL WIDTH |
0.3-0.4m |
LEAVES |
deciduous broadleaf |
COLOUR OF LEAVES |
varigated:silver and green |
FLOWERS |
showy |
COLOUR OF FLOWERS |
sky blue
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BLOOMING TIME |
April - May
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LOCATION |
semi-shade to shade |
USDA zone (lowest) |
4 (down to -34°C) |
WINTER PROTECTION |
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FOR ZONE 5+6 |
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FOR ZONE 7 |
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BELONGS TO CATEGORIES |
Perennials
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Brunnera is rhizomatous perennial with soft, hairy, hear-shaped leaves. Variety Jack Frost has large, silver leaves with strong, dark green veins and clearly defined margins. Clusters of forget-me-not like blue flowers appear on about 20cm tall stalks in early to mid spring.
It does best in semi-shade or full shade which brightens up with its uniquely coloured leaves. It needs cool, humus-rich, well-drained, moist soil. Fully hardy to at least -34°C, possibly more (USDA zone 4).
Last update 22-01-2008
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GLOSSARY
- STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
- DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
- EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
- STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
- HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
- SHRUB - a woody plant with branches growing bushy from the ground level.
- HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
- FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
- GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
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