Do flower bulbs, such as tulips, daffodils, and ornamental onions, grow through groundcover?

Flower bulbs are a fantastic way to add a splash of color to your garden in the spring. After months of cold, blustery winds, rain, and/or gray days, spring-blooming flower bulbs bring cheerful and warm colors to your garden long before the perennials start to bloom. To minimize maintenance or give your garden a greener look, you’ve likely planted plenty of groundcover plants in your borders. But doesn’t this harm your flower bulbs? Do flower bulbs grow through groundcover? Think of tulips, daffodils, hyacinths, ornamental onions, snowdrops, and later on, lilies, dahlias, etc.

Do flower bulbs grow through ground cover?

The answer is (fortunately) very simple: Yes! Tulips, daffodils, ornamental onions, hyacinths, etc., will simply push through your groundcover plants. So this isn’t a problem at all for taller flower bulbs. They grow nicely above the low-growing plants and bloom just fine. So feel free to order daffodils, tulips, or ornamental onions. Lower-growing bulbs, such as snowdrops and grape hyacinths, also grow through groundcover, but the downside is that they can sometimes get lost among the groundcover plants. It may help to clear a little space for them. Ornamental bulbs, such as tulips, daffodils, hyacinths, Allium, Camassia, dahlias, lilies, calla lilies, and gladioli, combine beautifully with the lovely green backdrop provided by groundcover plants.

Don’t have groundcover, but instead a layer of gravel or crushed stone? That’s not a problem for most flower bulbs either, as long as the layer isn’t too dense or thick, or if it consists mainly of large pebbles. Covering pots with a thin layer of fine gravel is, by the way, perfect for keeping weeds at bay and looks beautiful. Fortunately, this has absolutely no negative effect on the growth of your flower bulbs and plants.

Which ground covers prevent flower bulbs from growing, or cause them to grow only very little?

However, there are also situations in which flower bulbs have trouble growing through your groundcover. This isn’t so much about a specific type of groundcover, but if a groundcover has formed a very dense mat or has a very dense root system, it can sometimes be difficult for flower bulbs to grow through it.

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