Annual devastation by spider mites

Hello, master gardener. Spider mites are my nemesis. I engage in a, mostly losing, battle with them every year over the the plants I try to grow in planters on my east-by-south-east-facing Riverdale balcony. They devastate my aristolochia and impatiens,…

Rooting impatience

I’m in Toronto. For several years I have cut pieces of impatience and placed them in holes of green oasis. Within a week, all plants would have roots. Not finding oasis, I purchased a block from the Dollarama. All roots…

Impatiens & Possible Downy Mildew

Hello, I planted impatiens in window boxes for a shady balcony. I changed the soil to new potting soil, thinking the Downy Mildew fuss was over. They started growing OK, but now I am getting speckled blooms, some withering and…

Is it OK to plant Impatiens in Toronto gardens?

What’s the current status about planting impatiens in the Garden in Toronto ( Zone 7)? Many varieties were hit by a virus and would frizzle after panting them. Are they free from the virus now? Can I bring them indoors…

Impatiens

I have many (10+) containers of impatiens growing in dappled shade. The soil is Miracle Grow. I have been fertilizing with a high bloom fertilizer (15-30-15) every two weeks. Over the past week three of the containers have really slowed…

Annuals for Shade: A Toronto Master Gardeners Guide

An annual plant is one that completes its life cycle from seed to plant to bloom and back to seed again in one season. Annual flowers are often bright, colourful and very floriferous. In this way, they attract pollinating insects…