Post Bloom Grape Hyacinth Care: What To Do With Muscari Bulbs After Flowering

(Image credit: Iurii Konoval)

last updated 11 February 2021

Grape hyacinth (Muscari armeniacum) is often the first bulb-type flower to show its blossoms in your garden in spring. The flowers look like clusters of little pearls, blue and white. They usually carry a mild fragrance. When the grape hyacinth blooming season comes to an end, you need to care for the bulbs to protect and preserve them so that they can bloom again the following year. Read on for information about Muscari care after blooming.

Post Bloom Grape Hyacinth Care

You really don’t want seeds to set on those grape hyacinth after flowering. The plant doesn’t need seeds and setting seeds depletes its energy supply. So that means grape hyacinth after flowering needs a trim. As soon as the flowers fade, trim them back with pruners or garden scissors. Remove the small flowers from the stem by running your fingers from just beneath the flower cluster to the tip of the blossom. However, leave the flower stem and do not cut it. It will provide nourishment for the bulb as long as it is green. For the same reasons, leave the foliage in place. This allows the leaves to continue to collect energy from the sun to feed the bulb for next year’s blooms. After grape hyacinth blooming season is at an end, the foliage eventually turns yellow and dies back. This happens about a month and a half after first blooming. At this point, the best post bloom grape hyacinth care requires that you clip back the stems to the ground.

What to Do with Muscari Bulbs after Flowering

You may wonder what to do with Muscari bulbs after flowering is over and the plant stems are cut back. Generally, all you have to do is apply a little manure over them in autumn, then a layer of mulch to keep the weeds down. Water them when the weather is dry. In some cases, Muscari care after blooming may include digging up the bulbs. If the plants show signs of overcrowding that limits their blooming, you can dig them up. Do this very carefully to avoid damaging any of the bulbs. Once you have the bulbs out of the ground, separate them and plant some of them in other parts of the garden.

Topics

Grape Hyacinth

Teo Spengler has been gardening for 30 years. She is a docent at the San Francisco Botanical Garden. Her passion is trees, 250 of which she has planted on her land in France.