Colchicum speciosum
Showy colchicum
Colchicum, commonly known as autumn crocus, meadow saffron or naked lady, is an autumn-blooming plant, very similar in appearance to true crocuses. The flowers emerge from the ground long after the leaves have died back. Take care when handling them as every part of this plant is highly toxic. The blooms are larger than the spring varieties of crocus.
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Full sun to partial shade
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Occasional watering
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Full Frost Hardy: 5F (-15°C)
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Moist and fertile
Common name
Showy colchicum
Latin name
Colchicum speciosum
type
Bulb
family
Colchicaceae
ph
5.0 - 8.5 Acid - Neutral
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Light
Full sun to partial shade
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Frost
Full Frost Hardy: 5F (-15°C)
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Soil
Moist and fertile
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Water
Occasional watering
Plant & bloom calendar
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Best time to plant
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When the plant will bloom
full grown dimensions
0.10 M
0.25 M
Colchicum speciosum
Colchicum, commonly known as autumn crocus, meadow saffron or naked lady, is an autumn-blooming plant, very similar in appearance to true crocuses. The flowers emerge from the ground long after the leaves have died back. Take care when handling them as every part of this plant is highly toxic. The blooms are larger than the spring varieties of crocus.
Flowering Season
From Mid Autumn TO Late Autumn
Colchicum throw up their blooms in mid to late autumn. long after the leaves have died
Planting Outdoors
From Mid Summer TO Mid Summer
Colchicums need moisture-retentive, fertile soil to flower well. They're best grown in a sheltered spot that enjoys afternoon sun because this encourages a good succession of wide-open flowers. In deep shade, you'll only get a very few spindly ones. Dry bulbs are most readily available in mid-summer and should be planted, as soon as they arrive, at a depth of 7.5cm to 10cm (3in to 4in). Specialist nurseries will supply plants at other times, too.
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