How Long Do Celosia Last. Celosia seeds germinate within six to 14 days. Place seeds and cover them completely with soil or else the seeds will not germinate.
They last until fall so you definitely get your moneys worth for what it costs you to buy them. Good care can prevent rot but there are no chemical cures. How Long Do Celosia Plants Last.
Add flower potting soil or seed starting mix to a container with drain holes.
Click to see full answer. Add flower potting soil or seed starting mix to a container with drain holes. Woolflowers are generally grown as an annual but in zones 9 to 11 they can be short-lived perennials. 19022016 The plants colorful flowers are produced in abundance all over the plant and they last for a very long time.