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Tribune-Review Horticulturist Jessica Walliser co-hosts 'The Organic Gardeners' at 7 a.m. Sundays on KDKA Radio. She is the author of several gardening books, including 'Grow Organic' and 'Good Bug, Bad Bug.' Jessica Walliser can be reached via e-mail

Leave assassin bugs to their work

By Jessica Walliser
For the past two weeks, my email inbox has been flooded with the exact same question from several readers: “What is this crazy insect I …

Garden Q&A: Forsythia pruning requires foresight, care

By Jessica Walliser
Question: We have several forsythia bushes on our property. They were getting way too big, so last fall I gave them a good haircut. This …

Plants not like us in making offspring

By Jessica Walliser
Plants have something that you and I do not. It’s called totipotency, and it means that nearly every cell within any given plant has the …

Garden Q&A: Persimmons known for beauty, flavor

By Jessica Walliser
Q uestion: A friend of ours has a small farm in Beaver County, and they have a persimmon tree on their property. Last fall they gave us some of the fruits, and now we’d like to grow some of our …

Prepare now for spring garden

By Jessica Walliser
The kids are back in school, the days are getting shorter, and the garden’s warm-season vegetables will soon start winding down. This growing season seemed …

Garden Q&A: Daffodils crowd each other out

By Jessica Walliser
Question: I have several clumps of daffodils in my yard that used to bloom beautifully every year. But for the past three years, they have …

Fast-growing hops makes interesting garden plant

By Jessica Walliser
My husband and I took on a new project this spring — growing hops. He’s a beer fanatic with several friends who are big into …

Garden Q&A: Blossom end rot a calcium deficiency

By Jessica Walliser
Question: My tomatoes are ripe on the top, but they are rotten on the bottom ends. What is happening? Answer: I believe your tomatoes are …

Parasitic wasps nasty but needed

By Jessica Walliser
I’d like to tell you about an interesting group of insects that plays an important and beneficial role in our yards and gardens: the parasitic …

Garden Q&A: Sneak some new potatoes anytime

By Jessica Walliser
Q uestion: We planted potatoes for the first time this year, and they seem to have done great. The plants are very tall (almost 3 …

Good garden? Make a good path

By Jessica Walliser
Getting from one place to another in your garden shouldn’t be a challenge. The genesis of many garden paths is utilitarian. After all, we need …