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Mélange de crocus grandiflora ( Crocus vernus ) : des grands crocus jaunes, blancs, violets et rayés. Le visuel Florissa présente la plante et son nom dans la partie inférieure de l’étiquette. La photographie occupe presque toute la surface, tandis que le bandeau du bas rassemble les indications du produit. Cette vue permet de reconnaître son apparence et de distinguer la variété présentée.
Bulb Iridaceae

Grandiflora Crocus Mix (Crocus vernus)

Crocus vernus Mix

Product code : 170 170 02

Large-Flowered Crocus Mix (Crocus vernus Mix) produces a spectacular blend of large spring flowers in a wide range of colours. This vibrant selection brightens gardens from the first days of spring with abundant, long-lasting blooms.
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Detailed plant guide
Advice adapted to Canada
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2026 preorder for fall bulbs Shipping expected in October 2026.
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Quantity
10 bulbs
Exposure
Full sun to light partial shade. Bright conditions encourage abundant flowering, while light shade beneath deciduous trees is well tolerated.
Life cycle
Perennial
Hardiness
Zone 4

Discover the plant

Common nameLarge-Flowered Crocus Mix
FamilyIridaceae
GenusCrocus
Speciesspring
TypeBulb
Botanical nameCrocus vernus Mix
Reproducible seedsYes

Grandiflora Crocus Mix (Crocus vernus) combines purple, white, and yellow flowers that brighten the garden from winter’s end. Large goblet-shaped blooms open widely in sunshine and close at night or during dull weather. Narrow dark-green foliage marked by a silvery stripe forms discreet clumps beneath the flowers. At 10 to 15 cm tall, this mixture creates a varied carpet rather than one uniform colour. The Van Noort package contains 10 corms. Hardy from Zone 4, it returns reliably and can naturalize in freely drained soil, gradually expanding the spring display without overwhelming neighbouring plants.

Plant the 10 corms from September through November before the ground freezes, setting them about 8 cm deep and 5 to 8 cm apart. Choose full sun or light shade beneath deciduous trees. Light, fertile soil that remains fresh in spring and drains freely encourages establishment. Water after planting, then only during exceptionally dry spring weather. Avoid hollows where meltwater stands and fertilizers rich in nitrogen. A small amount of mature compost is generally sufficient. Arrange the colours randomly to preserve the mixture’s spontaneous appearance, and mark each group so later planting never disturbs dormant corms.

Grandiflora Mix crocus suits rock gardens, borders, naturalized lawns, gravel gardens, open woodland, and fall-planted containers. Group the 10 corms in several irregular islands for a mosaic visible as snow melts. Pair them with snowdrops, grape hyacinths, squill, reticulata iris, and botanical daffodils. Early flowers offer nectar and pollen to the first active bees. After flowering, let foliage yellow completely before mowing or cleaning because it replenishes reserves. Divide only crowded colonies during dormancy and promptly replant firm corms. Keep the planting pesticide-free so early visitors can forage safely across every colour in the display.

Mélange de crocus grandiflora ( Crocus vernus ) : des grands crocus jaunes, blancs, violets et rayés. Le visuel Florissa présente la plante et son nom dans la partie inférieure de l’étiquette. La photographie occupe presque toute la surface, tandis que le bandeau du bas rassemble les indications du produit. Cette vue permet de reconnaître son apparence et de distinguer la variété présentée.

Sowing guide

It all startswith a seed.

Sowing depth

8 cm (3 in)

Spacing / density

5 to 8 cm (2 to 3 in)

Sowing period

Autumn

Propagation

Divide the bulbs when colonies become crowded. This provides an easy way to multiply the plants while maintaining abundant flowering.

Growing method

Plant the bulbs in autumn, from September through November, before the ground freezes. Set the bulbs approximately 8 cm (3 in) deep and 5 to 8 cm (2 to 3 in) apart in light, fertile, well-drained soil. Choose a location in full sun or light partial shade. Water lightly after planting to encourage rooting. The flowers appear very early in spring and return reliably when the bulbs remain undisturbed. After flowering, leave the foliage until it has completely yellowed so the bulbs can replenish their energy reserves.

Soil and care

The right care,at the right time.

Soil pH

Neutral to slightly alkaline

Minimum temperature

-34°C (-30°F)

Care level

Easy

Watering

Water lightly after planting, then only during exceptionally dry spring periods. Well-drained soil is essential to prevent bulb rot.

Soil type

Light, fertile, well-drained soil that remains fresh in spring and becomes drier during summer. Avoid heavy, constantly wet soils.

Fertilization

A light application of compost in autumn or early spring is usually sufficient. Heavy fertilization is unnecessary and may reduce naturalization.

Moisture

Maintain average and regular humidity during establishment, growth, and flowering, without leaving the corms in saturated soil. Quick drainage is essential for winter hardiness, especially in zone 4. Reduce watering when the foliage yellows. A light mulch keeps the soil cool in summer, but keep it away from young shoots to ensure good air circulation.

Seasonal care

Allow the foliage to yellow naturally before removing it so the bulbs can replenish their reserves. Avoid excessive moisture during summer dormancy. Add a small amount of compost in autumn if the soil is poor. Divide established colonies after several years if they become overcrowded.

Container growing

A garden,within reach.

Recommended pot size

25 to 30 cm (10 to 12 in)
For 10 corms, choose a container at least 25 cm (10 in) wide and 20 cm (8 in) deep, with several drainage holes. Fill it with a lightweight potting mix amended with perlite or fine gravel. In autumn, plant the corms 5 cm (2 in) deep and about 5 cm (2 in) apart, then water once. Keep the pot outdoors in a cold, bright location protected from excessive rain; corms need winter cold to flower. In very exposed areas, place the container against a wall or in an unheated cold frame and insulate its sides, without bringing it into a warm room. In early spring, move it back into the sun and keep the potting mix slightly moist, never saturated. After flowering, continue moderate watering until the leaves have completely yellowed. Then stop watering during summer dormancy. The corms can remain in the pot if drainage remains good; repot and separate crowded clumps the following autumn. Respecting the crocus's seasonal cycle helps keep corms healthy in well-drained soil and promotes faithful, multicolored flowering each spring. Place the pot in a bright location and always allow excess water to drain freely.
Mélange de crocus grandiflora ( Crocus vernus ) : des grands crocus jaunes, blancs, violets et rayés. Le visuel Florissa présente la plante et son nom dans la partie inférieure de l’étiquette. La photographie occupe presque toute la surface, tandis que le bandeau du bas rassemble les indications du produit. Cette vue permet de reconnaître son apparence et de distinguer la variété présentée.

Bloom and dimensions

Its place,in your garden.

Mature height

10 to 15 cm (4 to 6 in)

Width / spread

5 to 8 cm (2 to 3 in)

Flower color

Multicoloured

Foliage color

Dark green with a silvery stripe

Foliage type

Deciduous

Growth rate

Naturalizes quickly

Growth habit

Low, erect, and naturalizing

Fragrance

Slight or absent; cultivated mainly for color

Bloom period

Large flowers in shades of violet, white, yellow, and pale blue appear very early in spring. The blooms open fully in sunshine and close at night or during cloudy weather.

Harvest

March to April. Allow the flowers to fade naturally to encourage bulb multiplication and naturalization.
Mélange de crocus grandiflora ( Crocus vernus ) : des grands crocus jaunes, blancs, violets et rayés. Le visuel Florissa présente la plante et son nom dans la partie inférieure de l’étiquette. La photographie occupe presque toute la surface, tandis que le bandeau du bas rassemble les indications du produit. Cette vue permet de reconnaître son apparence et de distinguer la variété présentée.

Garden associations

In goodcompany.

Companion plants

Pairs beautifully with snowdrops, grape hyacinths, scillas, botanical daffodils, and other spring bulbs to create colourful natural displays.

Frequently asked questions

Your questions,answered.

When should Large-Flowered Crocus Mix bulbs be planted?
Plant the bulbs in autumn before the ground freezes. They establish roots during autumn and bloom with the first mild days of spring. Choose a well-drained location.
Does Large-Flowered Crocus Mix attract pollinators?
Yes. The flowers provide nectar and pollen for the first bees and other spring pollinating insects. Their early bloom helps support garden biodiversity.
Can this crocus mix naturalize?
Yes. It naturalizes easily in lightly mowed lawns, rock gardens, and borders. The bulbs gradually multiply, creating beautiful carpets of colourful flowers.
Why should the foliage remain after flowering?
The foliage allows the bulbs to rebuild their energy reserves for abundant flowering the following spring. Wait until it has completely yellowed before removing it.
Is Large-Flowered Crocus Mix hardy in Quebec?
Yes. It is fully hardy to Zone 4. Planted in well-drained soil, it returns reliably every spring for many years.

Wildlife and pets

Life,around your plants.

Reported toxicity

Yes

Supporting wildlife

Bees and early pollinators