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Garden Diary
Date purchased or acquired:
Where acquired:
Location in the garden:
Observations:
The next time you are buying perennials please look for our helpful labels and blue pots, and remember "The best perennials come out of the blue"!
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Eryngium planum Blue Cap
Plant number: 1.205.200
(='Blaukappe') Sea Holly features open umbels of prickly steel-blue flowers, which are a favourite for cutting, fresh or dried. This is a very hardy species, small flowered but with superb colour in the garden, especially nice contrasting with yellow or gold neighbours. Plants spread to form a small patch. Easily divided in early spring. Tolerant of hot, dry sites, and soils high in salts. For drying, pick stems just as the flower clusters open fully, and hang upside down to dry in a warm, dark place. Attractive to butterflies.
Further details for
Eryngium planum Blue Cap
Optimal Growing
Conditions |
Appearance and
Characteristics |
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Sun Exposure
Full Sun
Soil Type
Normal or
Sandy
Soil pH
Neutral or
Alkaline or
Acid
Soil Moisture
Dry
Care Level
Easy
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Flower Colour
Deep Blue
Blooming Time
Early Summer
Mid Summer
Late Summer
Foliage Color
Deep Green
Plant Uses & Characteristics
Accent: Good Texture/Form
Attracts Butterflies
Border
Containers
Cut Flower
Dried Flower
Drought Tolerant
Rabbit Resistant
Massed
Height
60-75 cm
23-29 inches
Spread
45-60 cm
18-23 inches
Foot Traffic
None
Growth Rate
Medium
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Disclaimer: This information is presented for reference only. This plant is not currently part of our Heritage Perennials lineup.
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