PG staff writer Doug Oster blogs about gardening. Contact him at 412-779-5861.Guide to commenting | Terms of Service |
Winter is the best time to prune many trees and shrubs. Avoid spring bloomers like rhododendrens, azaleas and forcythia as their buds are in place and cutting them off would sacrafice this years blooms. Pines and maples should not be pruned either, they have running sap and are best dealt with during the growing season.
To keep them sharp I use a tool called AccuSharp as demonstrated in the Digging with Doug video (right hand of the page in the viewer). I've used the tool for over 20 years and I love it for sharpening things in the garden and kitchen.
Take your time when pruning, look for crossing branches and it's important to try to keep the natural shape of the plant. Here's a pretty good guide to pruning, but it's one of those things that you just learn in the garden.
Here's a wonderful list of plants that have been used by the Pittsburgh Parks Conservancy that have proven themselves to be unattractive to deer. That doesn't mean your herd won't eat them, but trial and error will offer many answers.
Perennials
Mountain Mint Pycananthemum muticum
Yarrow Achillea millefolium (various cutivars)
Salvia ‘May Night’ Salvia nemorosa ‘May Night’
Black Eyed Susan Rudbeckia fulgirda
Bearded Iris Iris germanica (various cultivars)
Golden-alexander Zizia aurea
Virginia Willow Itea virginica
Annuals
Salvia ‘Victoria Blue’
Zinnia ‘Profusion Cherry’
Ageratum ‘Blue Horizon’
Dusty Miller
Celosia ‘Fresh Look Red’
Marigold
Alyssum
This blog post from the PPC has more tips, ideas and details for dealing with the deer.
Here are some other plants that aren't getting eaten in my garden. Just remember though, each herd eats differently-
Tithonia (Mexican sunflower)
Siberian iris
Forcythia
Anemone
Anise Hyssop
Dahlias
Azalea and Rhododendrons
Perennial hibiscus
Rose of Sharon
There are lots of different products that can be sprayed on plants like hostas that the deer love. Bobbex really has worked well in my garden.

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