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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

Garden Q&A: Give daylilies tough love

By Jessica Walliser
Q uestion: I have a bunch of daylilies (mixed varieties and colors) that have finished blooming. Their leaves are turning brown and flopping over. They ...

When fall comes, planting time isn’t over

By Jessica Walliser
By the time July rolls around, most vegetable gardeners consider planting time to be over and done with. This couldn’t be more incorrect. Late summer ...

Garden Q&A: Yellow is green light for garlic

By Jessica Walliser
Question: I’m growing garlic for the first time this year, and the plants have been doing great. I cut off the curled flower stalk that ...

A few easy techniques might help in the battle against squash bugs

By Jessica Walliser
If you grow zucchini, winter squash or melons of any type, you’re probably all too familiar with squash bugs (Anasa tristis). Found across North America, ...

Garden Q&A: Borers wreak havoc on irises

By Jessica Walliser
Question: My bearded irises were spectacular this spring. When they were finished blooming, I cut off the flower stalks. Now the foliage is turning yellow ...

When summer’s in full swing, your garden may need more attention than ever

By Jessica Walliser
As summer rolls on, it seems the garden requires more and more of our attention. We may find ourselves needing to tidy up the perennial ...

Garden Q&A: Beware the peach tree borer

By Jessica Walliser
Q uestion: We’ve had our peach tree for eight years, and it produces an abundance of fruit. My husband recently noticed a small wad of ...

Viburnum leaf beetles have made way to Pa., but you can limit damage

By Jessica Walliser
The viburnum leaf beetle (Pyrrhalta viburni) is a relatively new pest to Western Pennsylvania. Now found in parts of eastern Canada and several states in ...

Garden Q&A: Less can be more with low-maintenance blueberries

By Jessica Walliser
Question: Our blueberries aren’t looking so good. There are lots of dead branches, and they hardly produced any fruit this year. They’re about four years ...

Garden Q&A: How to handle rhododendrons

By Jessica Walliser
Question: We have several rhododendrons on the side of our house. They’ve just finished blooming. This is our first year living here, and I’m a ...

Growing shallots can be an inexpensive way to add flavor to a meal

By Jessica Walliser
If you enjoy cooking with homegrown ingredients, and you’re looking to expand your garden’s offerings, consider including shallots in your vegetable patch. With their mild ...