Southern Harvest
Quality seeds for kitchen, cottage and native gardeners
SEA HOLLY ‘Superbüm’
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Botanical Name
Eryngium alpinum ‘Superbum’
A beautiful perennial that has a profusion of soft, steely-blue flower heads on 80cm stems, the blue intensifies into autumn. A robust, long lived native of the alpine meadows in Europe. One of the most impressive sea hollies it holds interest in the garden over a long period. The foliage and flowers are great for cutting or drying. Frost hardy for full sun-part shade in well-drained soils. 20 seeds.
Frost Resilience
Frost Hardy
Lifespan
Perennial
Climate
Cold
Temperate
GermType
Cold germinating seeds
Sow Method
Transplant
Sowing Instructions
A cool period breaks the seed dormancy, so place seed packet in fridge for 3 weeks prior to sowing. Sow in trays & cover seeds, keep moist. Germination is erratic & occurs over 8-12 weeks, so be patient.
Height
0.8 m
Spacing/Spread
0.5 m
Sowing Periods
Cool Climate Periods
Mar 1st to Jul 31st
Temperate Climate Periods
Apr 1st to Jun 30th