Grape Hyacinth - Planting and Care Instructions

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Grape hyacinths - Muscari

Even in the care, the plant is very uncomplicated and robust. Care should be taken that the grape hyacinth is regularly poured moderately and the onion never completely dries. However, the water must also be able to seep through the earth well, otherwise waterlogging may occur. This leads in the worst case to a formation of mold on the onion. In late summer it comes to a drying of the leaves of the grape hyacinth. From then on, the plant can no longer be watered. The fertilizer should then be adjusted. When fertilizing the grape hyacinth a few things should be considered:
  • especially recommended is fertilization with a layer of compost in spring
  • also Blühdinger is well suited (highest possible phosphorus content)
  • Use Blühdinger once before and once after flowering
  • when flowering leaves, stop fertilizing
  • do not use too much fertilizer.

The rapid increase

With a particularly favorable location and regular care, the grape hyacinths multiply very quickly without the intervention of the gardener and can take up entire gardens. That's why they are particularly well suited to gardening. If a rapid increase is not desired, the leaves should be cut off generously when yellowing. Who would like to take care of the propagation of the plants themselves, should also wait for the time of the initial drying and collect the seeds. These can then be sown at any location in spring or fall. Care should be taken that the soil is kept well moist when sowing. After several years it comes to a flowering. However, most gardeners reproduce the grape hyacinth via bulbous bulbs, which form on the mother onion in summer. These must be dug up and planted in the fall. So cultivated plants bloom the first time in the following spring. Another alternative is the single division of the onion. For this, the grape hyacinth must first be dug up after flowering. The roots should not be damaged. These must then be carefully pulled apart. The individual lots must then be replanted immediately.


Grape hyacinths have an onion that can remain underground all year round, as the flower bulb is frost-free. Every spring, the plant sprouts out of the ground and begins to form flowers. It looks different, however, if the grape hyacinth has not been cultivated in the garden bed but in pots or window boxes. The vessels in question are to be moved to a place that is frost-free and as dark as possible in autumn. The soil should always be kept slightly moist. Before the plant starts to sprout again, bring the vessel back to a light location and fertilize the soil.
Typical diseases of the grape hyacinth
The grape hyacinth is a very robust plant. It is only susceptible to a few diseases. The most common infestation is that of the Brandpilzes. This is particularly the case when the grape hyacinth is in a shady location, the soil is too moist and the individual plants are too close together. This fungus is characterized by the following criteria:
  • many different species possible (about 1200)
  • especially the flower heads of the grape hyacinth are attacked
  • black or white stain training
  • Affected plant parts must be completely removed.
Muscari armeniacum makes cobalt-blue, white-rimmed flowers that appear until late spring and have a pleasant odor. As it spreads quickly, these are about 20 - 25 cm high species like cultivated.

Grape hyacinths - Muscari

Muscari kereri (syn. M. tubergenianum) forms in a single grape both pale blue and dark blue flowers that appear at the beginning of spring.
Muscari botryoides 'Album' bears white, also strongly aromatic flowers that appear in the second half of spring. This variety is 15 - 25 cm high.
Muscari comosum blooms in olive green and purple. At the top of the racemose inflorescence is a lump of sterile flowers. This grape hyacinth produces its flowers in late spring, and later than any other Muscari- species. With a height of 40 cm, it is also quite large, blue-violet cultivated forms are 'Plumosum' and 'Monstrosum'.


The flower bulbs are planted about 7.5 cm deep in autumn and arranged in groups. They thrive in any well-drained soil and can be grown in full-sun locations as well as under light deciduous trees.
The grape hyacinth is a beautiful plant with very handsome and numerous flowers, which in spring represents a true splendor. With some care you have very little work with the grape hyacinth and can admire their rapid increase.

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