Crocus 'Blue Marlin' is a beautiful early-flowering crocus producing delicate pale blue flowers with attractive mauve-purple veining. As the cup-shaped blooms open, they reveal a contrasting golden-yellow centre with bright orange stigmas. The flowers are also lightly scented, adding another reason to plant them where they can be enjoyed at close range.
Flowering from January through to March, 'Blue Marlin' brings welcome colour to the garden during late winter and early spring. Growing to just 5-10cm tall, it is ideal for rockeries, lawns, border edges and containers, and looks particularly effective planted in generous groups.
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Variety: Crocus 'Blue Marlin'
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Flower colour: pale blue with mauve veining and a yellow centre
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Fragrance: lightly scented
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Flowering time: January-March
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Height: 5-10cm
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Position: full sun or light shade
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Soil: fertile, well-drained soil
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Planting time: autumn
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Suitable for: lawns, borders, rockeries, containers and naturalising
About Crocus 'Blue Marlin'
'Blue Marlin' belongs to a group of smaller-flowered crocus hybrids prized for their wide range of colours and markings. Their flowers are more delicate than those of the familiar Dutch Large Flowering Crocuses, but they compensate with unusual colour combinations and a wonderfully natural appearance.
This variety stands out for its cool pastel colouring. Pale blue petals are finely marked with deeper mauve veining, becoming particularly noticeable on the outside of the closed flowers. When sunshine encourages the blooms to open, their lighter interiors and warm yellow centres create an attractive contrast.
Delicate Pale Blue Flowers
Blue is an unusual and valuable colour in the late winter garden, making 'Blue Marlin' particularly useful for creating softer planting schemes. Its pale blue and mauve tones work beautifully alongside white, purple and yellow spring bulbs.
The lightly scented flowers are another attractive feature. Planting them beside paths, patios or in containers near the house gives you the best opportunity to appreciate both their intricate colouring and subtle fragrance.
Early Colour from January to March
Crocus 'Blue Marlin' flowers from January through to March, with the exact timing depending on local conditions and the severity of the winter. Its early season makes it especially useful for filling the gap between winter and the main spring bulb display.
Like other crocuses, the flowers open most fully during bright, sunny weather and close during dull conditions and at night. Planting in a position that receives plenty of winter sunshine will therefore help you enjoy the blooms at their best.
Growing Crocus 'Blue Marlin' in the UK
Plant the corms during autumn in fertile, well-drained soil. A position in full sun is ideal, although light shade is also suitable, particularly beneath deciduous trees and shrubs where plenty of sunlight reaches the ground before the leaves emerge.
Avoid sites that remain persistently waterlogged through winter, as good drainage is important for healthy corms. Once established in a suitable position, the plants require very little attention.
Ideal for Naturalising
'Blue Marlin' is an excellent choice for naturalistic planting through lawns and beneath deciduous trees. Rather than planting in straight lines, arrange the corms in informal groups or scatter them over the planting area before planting them where they fall.
When grown in grass, allow the foliage to die back naturally after flowering before mowing. The leaves continue feeding the corms after the flowers have faded and help build up energy for the following year's display.
Perfect for Rockeries and Borders
At only 5-10cm tall, Crocus 'Blue Marlin' is perfectly proportioned for rockeries and the front of borders. Its small stature also allows it to grow between later-emerging perennials, providing early colour before neighbouring plants begin to fill the available space.
For a mixed late winter display, try combining it with snowdrops, winter aconites, miniature narcissi and other crocus varieties. The pale blue colouring provides a particularly attractive contrast alongside yellow-flowering bulbs.
Growing Crocuses in Containers
The compact growth of 'Blue Marlin' also makes it ideal for pots, window boxes and mixed bulb containers. Plant several corms fairly close together to produce a fuller display, using a good-quality, free-draining compost and a container with adequate drainage holes.
Containers can be positioned near doors, windows and seating areas where these small flowers are easier to appreciate. They can also be combined with other miniature spring bulbs to provide several weeks of changing colour.
Useful Early Flowers for Pollinators
Early crocuses can provide a valuable source of pollen and nectar for bees and other insects that become active during mild spells in late winter. Their open, cup-shaped flowers make the centres readily accessible on warm, sunny days.
Growing 'Blue Marlin' alongside other early-flowering bulbs helps extend the availability of flowers in the garden as winter gives way to spring.
After Flowering
Once the flowers have faded, leave the narrow green foliage untouched until it turns yellow and dies back naturally. This allows the leaves to replenish the corms and supports flowering in future seasons.
In suitable conditions, the corms can be left undisturbed in the ground from year to year. Over time they may gradually establish into larger groups, producing an increasingly impressive early spring display.
Why Grow Crocus 'Blue Marlin'?
- Delicate pale blue flowers with mauve veining
- Attractive contrasting yellow centres
- Lightly scented blooms
- Flowers from January to March
- Compact height of only 5-10cm
- Excellent for naturalising in lawns
- Ideal for rockeries, borders and containers
- Provides valuable early-season flowers for pollinators
With its delicate colouring, subtle fragrance and exceptionally early flowering season, Crocus 'Blue Marlin' is a lovely addition to the spring garden. Plant the corms in groups for the strongest effect and enjoy drifts of pale blue and mauve flowers appearing while much of the garden is still waking from winter.