Shasta Daisies

Question

An outside plant. These come every year and flower well BUT only seem to last 10 days or so and then they seem to die from the roots stem/leaves brown. See image So spearheading doesn’t yield new colour. Bit frustrating to have a short burst… any ideas why Thank you in advance

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Answer 1

It looks like the clump needs to be thinned out. They can get fungal infections from lack of air movement. Also, they need to be deadheaded to get successive blooms.

https://www.gardeningknowhow.com/ornamental/flowers/shasta-daisy/planting-shasta-daisies.htm

https://www.gardeningknowhow.com/ornamental/flowers/shasta-daisy/deadheading-shasta-daisies.htm

https://www.gardeningknowhow.com/ornamental/flowers/shasta-daisy/cutting-back-shasta-daisies.htm