Ask the Expert

Why are my hazelnuts only the size of a pea after growing for over five years?

Question: My hazelnuts are only the size of a pea. I’m not sure what the variety is but I got the seedlings 5-6 years ago. Answer: Jonathan Foster, Special Projects Assistant There are several reasons why your hazelnut harvest is small (meaning small individually, not volume harvested). Hazelnuts do take several years to establish before […]

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Should you use tea seed meal to eradicate Amynthas jumping worms?

Question: My lawn and raised bed garden have been infested with the Amynthas jumping worm that I first noticed in 2021. I’ve read that applications of tea seed meal will eradicate these worms. I realize that Tea Seed Meal will also kill the good worms are there any other downsides? Answer: Jonathan Foster, Special Projects […]

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Do ultrasonic deer repellants work?

Question: Do ultrasonic deer repellants work? We have a string of arborvitaes which the deer love to munch on in the wintertime. Is fencing the only other alternative? We have tried sprays and clip on deterrents but nothing like that works. Answer: Jonathan Foster, Special Projects Assistant The short answer, in my experience, is that […]

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What are recommendations for low maintenance, ecologically sound replacements for lawns?

Question: What does recent research recommend as alternative, low-maintenance, ecologically sound replacements for lawns. Is there recommended ground covers for shady areas or extra dry areas that can be planted to reduce lawn area? Answer: Jonathan Foster, Special Projects Assistant Some common groundcover alternatives to turfgrass include creeping thyme (Thymus serpyllum), creeping juniper (Juniperus horizontalis), creeping phlox (Phlox […]

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Why do some of the melons I grew have a bitter taste?

Question: I have had a bumper crop of sweet and delicious muskmelons and charantais melons this summer, but I am noticing that some of the later ripening melons have some parts of the flesh that have a bitter taste. This is the first year I have encountered this. There isn’t anything in the look of […]

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Can I plant Forget-Me-Not seeds now for next year’s blooms?

Question: Can I plant Forget-Me-Not seeds now for next year’s blooms? Will they survive the winter?  Answer: Jonathan Foster, Special Projects Assistant Forget-me-not (Myosotis sylvatica) is technically a winter hardy biennial, but is often grown as an annual. However, because it is such a prodigious self-sower, once planted it often continues on in successive generations […]

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What is causing the leaves to drop off my crabapple tree this summer?

Question: I have a flowering crabapple tree that has been losing its leaves all summer. I am wondering if it has a disease that I need to treat? Answer: Jonathan Foster, Special Projects Assistant I believe what you’re looking at on your flowering crabapple is a disease called apple scab. You can read more about […]

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What little green worm is eating my kale?

Question: My kale is getting eaten by a little green worm and there appears to be eggs on the plant as well. Do you know what this is and what I can do about it? Answer: Jonathan Foster, Special Projects Assistant There are several types of caterpillars that prey on brassica/cole crops like kale, with […]

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Should I remove the limb of a cactus that has a brown spot?

Question: I have a Blue Myrtle Cactus that is overall doing well. It is an indoor cactus. Over the past 3-4 weeks it has developed a brown spot at the end of one of its limbs where there had been some new growth. All the other limbs look great. I do not believe it has […]

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