Jessica Walliser

Walliser: Choose sweet bell peppers that suit Western Pennsylvania

Sweet bell peppers are among the most popular garden crops. Often found growing side-by-side with tomatoes and eggplants, these warm-season vegetables have a lot to ...

Now is the time to harvest oregano for best flavor when drying

Q uestion: I planted oregano in my garden last summer, and it seems to be doing really well. The plant is lush and green. I'd ...

When growing carrots in containers, choose the correct pot and soil

Q uestion: I'm going to be growing some vegetables in containers for the first time this year. I'm going to plant tomatoes, peppers and eggplants ...

Preserve homegrown beauty by drying flowers

Many gardeners enjoy growing flowers for cutting. They add plants such as dahlias, lilies, zinnias and sunflowers to their gardens with the intent of cutting ...

The first step in treating a boxwood problem is identifying the cause

Q uestion: I have several boxwoods planted around the house. There are a few brown patches and dead branches on them this spring. Could these ...

Do your homework before planting cucumbers

If you're a vegetable gardener, you know how important variety selection is. But, it's smart to pay attention to more than just a particular variety's ...

Sowing small seeds is difficult, but there are options available to help

Q uestion: Now that I'm getting older, it's becoming more and more difficult for me to see some of the smaller vegetable seeds as I ...

Winter squash brings lasting flavor

Winter squash is one of my favorite garden crops. Though store-bought acorn and butternut squash is delicious, you can get a greater diversity of flavors ...

A 'volcano' of mulch against trunk will slowly kill an old or new tree

Q uestion: Is it a good gardening practice to pile soil or mulch up around the bottom of trees, many times to a foot or ...

Give dahlias a head start to coax earlier blooming

If you love the gorgeous blooms of dahlias as much as I do, you'll do anything you can to see more of them. I'd like ...

7 perennials to consider for adding color to gardens in late spring

Q uestion: I'm interested in adding a few early-blooming perennials to my garden. I have a lot of color in the summer and fall, but ...