Why Shasta Daisies May Fail to Bloom (And What to Do About It)

Shasta daisies (Leucanthemum x superbum) are often admired for their large blooms that attract a variety of pollinators to the garden, and provide a seemingly endless supply of cut flowers throughout the season.

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Even though these plants are known for being low-maintenance perennials, gardeners may still experience issues when it comes to flowering, for various reasons.

It can be frustrating when our plants struggle or refuse to bloom, especially if you are growing these beauties for cut flowers.

If you need a refresher on how to grow Shasta daisies, check out our guide.

In this article, we’ll discuss common reasons why your plants might not be blooming.

First, let’s check if your plant is truly failing to flower or if it’s just not the correct time to expect blooms.

L. x superbum typically blooms from July to September.

Although we may sometimes see blooms earlier or later, it’s important to assess whether it is the right time of year to expect these plants to flower before we dive into conducting a garden health check.

If you are certain that it is the relevant time for your plants to be flowering and there is no sign of buds appearing, your plants may be experiencing one of the following issues.

Shasta daisies need to be divided every two to three years to increase flowering. If this isn’t done, they will struggle to obtain adequate nutrients as they experience overcrowding at the crown and root level.

Over time, they develop woody centers which produce few flowers in comparison to young soft shoots.

In spring or late summer, you can lift