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Hi I have bought umpteen lily bulbs from you over the years some I grow in pots when they need ericaceous soil some in the ground. I have noticed I have less bulbs growing than I had and I am wondering do lilies have a life span and thus I need to buy more bulbs to get the types back that are now missing?
Yes Lilies can need replacing after a few years. You may notice you need to break off any baby bulblets and replant these also as these can sap the energy form the adult bulbs. It always good to give them some fresh compost each as well.
The Hart Family