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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

Night-blooming cereus is stunning, fragrant

By Jessica Walliser 7:35 p.m.
When in flower, night-blooming cereus (Epiphyllum oxypetalum) is among the most stunning plants you’ll ever see — or smell. Though it is in flower ...

Garden Q&A: How to straighten out those cucumbers

By Jessica Walliser
Q uestion: Why do my cucumbers often turn up or curl on the ends? I planted a variety called “Straight Eight,” but very few of ...

’Tis the season for super-cool gifts

By Jessica Walliser
Every December, I look for some fresh gift ideas for all the gardeners in my life. I’d like to share some of the more interesting ...

Garden Q&A: How to keep roses clear of black spot

By Jessica Walliser
Question: I have a rose garden that has been attacked by black spot for years. Is there anything I can do to stop it during winter? Answer: Black spot (Diplocarpon rosae) is a familiar fungal organism for many gardeners. Roses ...

Options abound for bringing garden indoors

By Jessica Walliser
There are lots of wonderful ways to bring your garden indoors for the winter. First and foremost, using fresh evergreens and dried seedpods from your ...

Garden Q&A: Increase your chances of getting 2nd bloom from Easter tulips

By Jessica Walliser
Question: I left the tulip bulbs from Easter in the pots and would like to replant them in the pots to have blooms again in ...

Gazing at the grass in winter is a vision in grace

By Jessica Walliser
Some of my favorite plants this time of year are the ornamental grasses. They lend a wonderful texture and grace to the fall and winter ...

Garden Q&A: Crop rotation won’t eradicate downy mildew on basil

By Jessica Walliser
Q uestion: I’m pretty sure I had downy mildew on my basil this year. The basil has been planted in the same garden for perhaps ...

The dirt on getting better soil

By Jessica Walliser
There is nothing more coveted by gardeners than perfect dirt. Crumbly, loamy soil that’s rich in organic matter and teaming with earthworms. It doesn’t come easy here in Western Pennsylvania (or anywhere, for that matter!), but it’s worth fighting for. ...

Garden Q&A: Green potatoes can make you sick

By Jessica Walliser
Question: We dug the potatoes out of our garden last week and discovered that many of the potatoes had green blotches on them. The green ...

2014 was ‘Year of Green,’ with new seeds, success

By Jessica Walliser
The 2014 gardening season seemed to be a real “Year of Green” in my vegetable garden. I grew some new-to-me herbs and vegetables that produce ...