Ask the Expert

Do you have a version of a companion planting chart that I could print?

Question: Do you have a version of a companion planting chart that I could print? We have several raised bed planters that can’t be moved (too old) and need to plant various vegetables wisely. Answer: Jonathan Foster, Home Horticulture Outreach Professional It depends on what you mean by companion planting, as the phrase has a […]

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What are some mitigation/elimination recommendations for Lesser Celandine that has become well established in lawn and near fresh water wells?

Question: What are some mitigation/elimination recommendations for Lesser Celandine that has become well established in lawn and near fresh water wells? Answer: Jonathan Foster, Home Horticulture Outreach Professional Please take a look at this response from Ask Extension, which references a nice article on the plant from the Ohio State Univ Extension. You’ll see options for chemical control […]

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Is it safe to use horticultural vinegar on graveled drives?

Question: How safe is it to use horticultural vinegar on graveled drives? Is it safe to use it close to a well? Answer: Jonathan Foster, Home Horticulture Outreach Professional “Safe” is always a relative term when using chemical interventions in the garden–horticultural vinegar is a 20% solution of acetic acid (4x stronger than household vinegar), […]

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Should you prune your ornamental crabapple tree in April?

Question: Last spring we planted an ornamental crabapple and there are a few crossing branches that we would like to prune out. We’ve waited because we were still getting snow but in looking things up online, we are now wondering if we left it too late. is it okay to prune it now or should […]

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What are some shade-friendly flowering plants or shrubs that slugs don’t like?

Question: I am looking for suggestions on shade-friendly flowering plants or shrubs that slugs do not like. I’m open to all colors and annuals or perennials. Answer: Jonathan Foster, Home Horticulture Outreach Professional I have two resources to recommend: UMaine Cooperative Extension Fact Sheet #5036 “Slugs” (for identifying and managing the slug population in your garden) […]

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Should I rake my fern patch before they start to grow?

Question: I am wondering if I should try to gently rake out my fern patch before the ferns start to grow. Some cites suggest only cutting back the spent seed pods – never rake. It is a rather large patch. Perhaps I should just leave things alone and let the spent material fertilize the area […]

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