Jessica Walliser

Help bees by planting a pollinator garden

North America is home to more than 4,000 species of native bees. Sadly, many of them are facing dramatic population declines. Habitat loss, pesticide exposure ...

Figs grown this far north need winter protection

Q uestion: I keep seeing potted fig trees for sale at garden centers. I didn't think figs were hardy in Pennsylvania, but I must be ...

Spinach best planted in late summer

Spinach is one of the most nutritious vegetables. Its thick, leafy greens are full of vitamins A and C, folic acid and fiber. It seems ...

Lemongrass won't overwinter outdoors but can go dormant inside

Q uestion: I'm growing lemongrass in a pot for the first time this year. The plant is huge and has many stalks. My questions are: ...

Pinching helps annuals create new growth, keeping them lush and full

Q uestion: I grow a lot of annuals in containers on my deck. They're starting to look a little tired and overgrown. I remove the ...

Give your garden TLC to keep it at its best through summer

By mid-summer, the garden is often in need of a little TLC. Lots of plants are coming into flower, but there are plenty of ...

Allow beneficial insects to rid nasturtiums of aphid infestation naturally

Q uestion: My nasturtiums have been absolutely beautiful this year. I grew the trailing kind, and they're tumbling over my retaining wall. But, last week, ...

Walliser: Some beetles are real pests

There are more than 350,000 species of beetles in the world. All have two pairs of wings. The outer wings create a shell-like covering over ...

There is still time to start vegetables, especially cold-weather crops

Q uestion: We moved into a new house in May, and my husband built me two raised-bed planters for the backyard a few weeks ago. ...

Walliser: Too little sun? Don't write off growing vegetables

In last Sunday's column, I introduced you to a few of my favorite annual and perennial plants for shade gardens. Today, I'd like to discuss ...

Leaf damage may be caused by night-dwelling black vine weevil

Q uestion: I have several large rhododendrons at the back of our yard. They've always done very well there. A few weeks ago, I noticed ...