How to Grow and Care for Muscari Flowers, Grape Hyacinth

Grape Hyacinth 2022-02

About Growing Muscari Flowers in Your Home Flower Garden

Muscari flowers are a popular spring-flowering bulb. This wee little bulb puts on a big, bold show in early spring, Commonly called Grape Hyacinth, it is a member of the Lily family. Muscari plants are native to central Europe and the Mediterranean, as well as central and western Asia. Growing Muscari rewards you with bright, attractive flowers and a light, pleasant scent. Without getting a close-up, It may be hard to smell them, when planted singly.

Muscari plants grow just 6 to 9 inches tall. The spherical, spiked flowers grow atop thin, blade-like green foliage. This fall planted bulb will produce foliage in the fall, that will withstand harsh winters, making it ready to bloom shortly after the snow recedes. 

Other Names: Grape Hyacinth, Starch Hyacinths, Tassel, Bluebells

Muscari looks best grown en masse in groups of a dozen or more. They will look great, placed almost anywhere. Try growing Muscari in rock gardens and around trees and shrubs. These plants can be invasive. Use border edging, if you want to limit their spread.

Muscari are deer resistant. The deer do not like the sweet, musky scent.

Flowers Bloom: Late Spring to Summer

Flower Colors: Varying shades of blue, lavender, pink, purple, red, white, and yellow.

Plant height: 6 to 9 inches tall, and 3 to 6 inches wide.

Plant Hardiness Zones: 4 – 8

Perennial, Asparagaceae

Grape Hyacinth 2022-01

Muscari Flower Plant Propagation

Grape Hyacinths are commonly grown from bulbs. Plant the bulbs in Autumn.

Muscari can also be propagated from seeds. It has a long, 6 – 8 week germination period. Sow seeds in late spring or early summer. Next, cover them very thinly with fine, light garden soil. Then, cover the planting area with a glass or some plastic. Keep the soil moist. Seed started plants will be ready to transplant in the fall.

Bulb Planting Depth: Plant the small bulbs 2 to 4 inches deep.

Final Plant Spacing: Space plants 2 to 3 inches apart. They tolerate a little crowding. However, plants and flowers are smaller when overcrowded.

How to Grow Muscari Flowers

Select a location that receives full to partial sun.

Muscari plants grow well in average, well-draining soil. We always recommend adding compost, before planting.

The plants should not require additional fertilizer, except in the poorest of soils.

During the goring period, keep the soil moist, not dry or wet. The tiny bulbs can dry out easily. So, make sure to water them during the growing period, as needed.

Plant new bulbs in the fall, in a location where they will not be disturbed for many years. Plant bulbs three inches deep. Space plants about 3 inches apart. The bulbs will fairly quickly produce hardy leaves, that will survive a harsh winter.

Use border edging on these invasive plants, if you want to limit their spread.

Following harsh winters, you may find a few dead or winter-damaged leaves, which you can prune if desired.

After the flowers bloom, continue to provide water, as needed, until the plant dies back.

By early summer, the plants die back, and the bulb goes dormant until fall when it again produces a new set of leaves. Once the plant has died off, you can cut the dead leaves at ground level.

Mulch around plants in the fall with compost or well-rotted manure.

To maintain plant vigor and bigger blooms, dig up and divide every three or years. When you do, don’t forget to give some to your gardening friends!

Ideal Soil pH: 6.0 – 7.0.

Insects and Plant Disease

Muscari seldom has insect or plant disease problems.

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