Last month, this column focused on the desirable characteristics of Christmas trees, one of which is good needle retention.

WHAT: Contorted filbert, also known as Harry Lauder’s walking stick or corylus avellana contorta, is a deciduous tree with spiraled, mangled branches that provide striking winter interest in Northwest ...

•Water, water, water. Even your big old shrubs are going to need a deep soak at this point. •Dig bearded iris now. Replant rhizomes from the outer edge of a clump before September. Place the rhizome ...

Description: The corylus genus encompasses 15 or so species hailing from Europe and regions of western Asia. Two European species, C. avellana and C. maxima, are frequently cultivated as ornamental ...

Q: I was reading your response to a reader's question about a contorted filbert. You mentioned pruning. I thought, "Pruning? Am I supposed to prune it?" It has such fascinating limbs that I've just ...