Ask the Expert

How do you make a raised bed garden? How do you transplant Balsam Fir?

Question: Two questions: 1. We are going to make raised-bed gardens this spring. What bulletins/publications do you have to help us?  2. We are going to plant a hedgerow. We have woods on our land, we hope to transplant the “nursery stock” from our forest to hedgerow. We have identified a lot of young what […]

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How can I rid my greenhouse tomatoes and peppers of spider mites?

Question: I have a small greenhouse and had spider mites on my tomatoes and peppers last year, both in individual pots and in the permanent bed. Should I empty the soil from the pots and bed, assuring that there will be no spider mites this year or will they not winter over?  Answer: Jonathan Foster, […]

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Is white clover suitable for lawns?

Question: Please confirm or update what I have heard about white clover: It is more drought tolerant than regular lawns (fescue mix for example)? Do bees like it? Will dog urine not kill white clover unlike a regular lawn that leaves dead patches? How tall does it grow? How frequent do you have to mow? […]

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What causes the pits/knots in my pears that makes them inedible?

Question: Last year many of our pear trees (we have about 10 varieties) had fruits with pits or knots in them making lots of the fruits nearly inedible. What causes this, and is there anything I can do to correct it? I always prune my trees in the same way, and also thin the fruitlets […]

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If I have native plants that attract pollinators can I add in annuals and still become certified for a pollinator friendly garden?

Question:  If I have native plants that attract pollinators can I add in annuals and still become certified for a pollinator friendly garden? Answer: Lynne M. Holland, Horticulture and Social Media Professional What a great question! Pollinator-Friendly Garden Certification focuses on the essential things you need to have in your garden but no garden has […]

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Do newly planted Maple trees need fertilizer?

Question: My friends built a new home and put in small Maple trees. A tree company said it was $180 for one feeding. Can’t they do this themselves? Do you have some tree care brochures or links? Answer: Jonathan Foster, Community Education Assistant In general, trees that appear healthy and are growing at an acceptable […]

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What caused a river birch tree to drop bark?

Question: My river birch is dropping deep segments of bark from the ground up to about three feet. It is not the normal sloughing off of the outer layer. What is coming off leaves bare wood underneath. Could this be a vole or a disease? I sprayed the base of tree with a hot pepper […]

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How can I grow tomatoes without them getting blight or other diseases?

Question: I have raised beds. The last two years my tomato plants, started from seed, have developed what we think is septorium (the fungus. It could be blight, I guess) starting from the lowest leaves and moving up the plant till all the plants are decimated. I have tried using different beds, digging out the […]

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