Ask the Expert

What can I do about a wild plantain infestation in my newly seeded lawn?

Question: I’m getting wild plantain infestation after amending and reseeding my 1,500-square-foot lawn this past spring. I’d like to topdress with compost and new grass seed at the end of this season. Can you recommend the “safest” selective herbicide to control this? Or would you recommend I start new with “safest” broad spectrum herbicide and […]

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Where can I find land to start a lavender farm?

Question: I live in Yarmouth, Maine and am looking for land to start a lavender farm. I am starting small, maybe one acre to see how it will go. My limitations would be: zone, 6a, 5b or5a, not very rich, sandy soil, well drained, around one hour drive from Yarmouth. Could you advise where I […]

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What is causing odd growths on the leaves of my apple tree?

Question: As I was inspecting/removing aphids from our young apple trees, I noticed an odd growth on a few of the leaves of one of the trees (a native bred Black Oxford from our local orchard and nursery). My inclination is to cut off any affected leaf to keep this odd growth from spreading, but […]

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Should I cut back my raspberry plants?

Question: With all of the rain in July, I have raspberry plants way over 6′ tall. Few berries this year. Should I cut them back? I don’t want to hurt production next year, but these seem out of control. If cutting is the answer, how much and when? Also, I just planted a new section […]

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Do my dry bean plants have a virus or other disease?

Question: I have three varieties of dry beans planted, and the leaves of one of them, Vermont cranberry, look like they have some sort of virus or other disease. Other varieties right next to them (black coco and silver cloud canellini) look fine. Can you give me an idea what it might be and whether […]

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When should I prune my damaged hydrangea?

Question: I have been receiving the newsletter for years, this is my first time writing. I have two hydrangea trees that are about 5 ½ feet tall and 7 feet, that were planted about four years ago. They are in bloom and the blossoms captured the rain enough to bend the branches. On the smaller […]

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When and how often should I mow my small meadow?

Question: I have allowed my front yard to become a meadow this year. It is a small front yard in Portland, with two large maple trees along the street. (Plus a third one just on the neighbor’s side of our driveway). Should I mow the meadow this fall, in order to accommodate raking the substantial […]

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What control methods do you recommend for fire ants?

Question: Fire ants have moved into our yard over the past couple years. I’m hoping you might be able to recommend a control method that is safe to use in food gardens and around kids and pets. They have overrun my strawberry mound. Answer: Liz Stanley, Horticulture Community Education Assistant Fire Ants (Myrmical rubra): For […]

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What do you recommend for a weed barrier under 3/4-inch stone?

Question: What material do you recommend for a weed barrier under 3/4-inch stone? I was hoping to avoid a plastic product so I tried cardboard which failed miserably. I am willing to use a plastic product if it will work. Can you recommend something effective and durable? I have busy young children so the stones […]

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