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Cooperative Extension: Garden and Yard

Garden Design and Maintenance

What’s wrong with my zinnia seedlings?

Question: I planted some zinnias as seedlings. They were doing great but now they look like this. They are indoors, I’ve been putting a grill light on them but they seem somewhere between drowned and parched. The other seedlings in different trays seem to be doing just great. Answer: Frank Wertheim, Extension Educator, Agriculture/Horticulture The […]

What is wrong with my Cypress trees?

Question: Our property has a row of Cypress trees that run most of the length of the property. They were planted before we bought the property, probably about 20 years ago. Some of them are looking very thin, and even those which seem to most healthy are beginning to look as though they may be […]

What’s the best way to prune large rhododendrons that were damaged by deer?

Question: The lower 3-4 feet branches of my large rhododendrons have been eaten by deer. Should these branches be pruned as the upper part of the bush just keeps growing taller? Answer: Frank Wertheim, Extension Educator, Agriculture/Horticulture In the photo it appears that the lower branches, while severely eaten back by the deer, still have […]

What’s the best way to keep slugs from devouring my bush beans?

Question: I want to plant bush beans. Last year they got devoured by slugs. What is the best way to limit or stop the slugs? Answer: Brian Erickson, Sustainable Agriculture Professional/Professional I We have a few great resources when it comes to dealing with slugs. Home and Garden IPM from Cooperative Extension, Slugs and Snails […]

What’s wrong with my rhododendron?

Question: I have a large rhododendron that has developed a problem. I believe it has a nutrient deficiency but I don’t know what it is. I had a soil test done on 04/16/2021 (2029) that indicates I need to reduce the pH a half a point. What do you think is the problem? Answer: Rebecca […]

Why aren’t my blueberry and raspberry bushes producing more fruit?

Question: I have three blueberry bushes that I planted three years ago. They only produced berries the first year and nothing since. I add pine needles around them every fall. I have one of each: Bluejay, Jersey and Late Blue. What do I need to feed them or do I need more than three plants? […]

What is the best type of soil to use in my raised bed gardens?

Question: I am starting some raised beds this year. What is the best type of soil to use? I use Coast of Maine for starting my plants. Answer: Caragh Fitzgerald, Associate Extension Professor, Agriculture When you’re filling a raised bed, the primary material should be mineral soil, rather than a potting soil. Mineral soil is […]

Can I use beneficial nematodes in my raised bed vegetable gardens to control grubs?

Question: My raised bed vegetable gardens were infested with grubs last summer and most of my crops failed because of the roots being chewed up by grubs. I applied milky spore last fall but my soil is still infested with grubs. Can I use beneficial nematodes this spring to knock back the grubs before I […]

What’s the best compost for mulching my flower garden?

Question: I would like to mulch my flower gardens with Benson Farm Compost, would you recommend that? Answer: Pamela Hargest, Horticulture Professional We are unable to recommend a specific company, but always encourage gardeners to discuss products with companies in advance before making any purchases. Compost serves as a short-term mulch, so combining it (50/50) […]

Will my Baptisia shoots grow back?

Question: I have asked several questions over the past few years about my blue indigo Baptisia plant. I always appreciate your responses. New shoots are just beginning to emerge this year. I have about 12 that I have counted. Unfortunately, my dog just dug in the area where the baptisia grows and damaged about half […]

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