More than likely they are dead. Scrape a small area of bark on the main trunk and if
it looks dry underneath you've had it.
Iris blooms in the late spring but some will rebloom in the fall.
No, it will not survive.
Best done in Spring as they start to grow.
Yes iris is a perennial plant. It will rebloom every spring.
Yes iris is a plant. It blooms in late spring but some varieties will also rebloom in fall.
Trees and shrubs do not need a lot of feeding but a scattering of general fertiliser in the Spring will suffice.
In Britain they are better planted in spring
This is best carried out when the leaves have fallen. With Evergreens do it in the early Spring.
Yes, the gladiolus bulbs will need to be dug up in North Carolina. The bulbs can be stored during the winter months inside and replanted in the spring.
Yes but they are not hardy perennials and in the UK where we have cold winters dahlias need to be lifted, allowed to dry and stored in cool frost free conditions until spring when they can be replanted.
Carl Otto Rosendahl has written: 'A guide to the spring flowers of Minnesota' -- subject(s): Botany, Plants, Flora, Flowers 'Trees and shrubs of the upper Midwest' -- subject(s): Shrubs, Trees
As most evergreen shrubs, it is better to prune them in early spring just before new growth begins.