A reader asks how to prune the canes of raspberries that produce in July, then a second crop in September/ October.
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Hamamelis virginiana, our native witchhazel which blooms in fall, as well as H. vernalis are cold hardy for Edmonton.
Judith Adam responds to reader question about a passion flower plant that’s growing green leaves but not many flowers.
When I bring my rosemary plants into the house for the winter, they get a powdery mildew that kills new growth. How do I treat this?
Why won’t my eucomis bloom? They did bloom the first few years, but for the past three, they have grown only leaves. I give them lots of sun and water, and occasional fertilizer.
How can I eliminate crabgrass? Unfortunately with this year’s drought the only thing growing is crabgrass. So far, I have been digging it out.
I stopped watering my amaryllis at the beginning of September as usual. As I was about to store them, they started growing new flower stems! I have been growing amaryllis for 20 years and this has never happened. What should I do?
What are suitable plants for a windy north facing fifth floor balcony in Toronto (zone 6)? I am looking for plants that can withstand the wind, and can do reasonably well without much direct sunlight.
I planted cuttings of my variegated pothos that had been rooted in water. That was over a year ago and they have not grown a centimetre.
How to eradicate rose slug sawflies? Each year they devastate my roses, and this year they added Mountain Ash to their menu. I try and keep up by picking them off daily, and I spray with the appropriate bug spray. Even so I cannot keep up. The Mountain Ash is now a skeleton, except for a few of the lower branches!
I have just read an article on hydrangeas, saying that some hydrangeas flower on the old wood? Eureka! Is pruning mine back each spring the reason why the bush has luscious green growth, but no flowers?
How to permanently get rid of the hundreds of maple saplings (about 2-3 inches tall) which grew naturally from dropped keys?
How do I eliminate slugs?
What is the quickest way to eliminate periwinkle?
I have some crocus clumps that need to be split and divided. Do I do that now or wait until Fall planting time?
Beverly asks about impatiens plants due to the powder mildew issue that hit them a few years ago. Have the growers been able to develop a replacement?
Beverley asks what type of fertilizer does one use on spring bulbs once they have flowered. Most experts recommend feeding them twice a year.
Pamela in Sarnia asks why the daffodils she plants each fall bloom the following spring but never again. Beckie provides tips on what’s needed to re-bloom.
Elizabeth asks where to buy seeds or plants for dwarf hardy gloxinia (Incarvillea mairei). We have some suggestions but welcome readers to comment.
V.J. in Cobourg, Ont., has a problem with leaf curl on hydrangea and wants to know how to prevent the leaf curling pest on Annabelle hydrangeas.