“My hydrangeas didn’t flower this year and also have “black/brown” spots on the leaves. Any ideas on what to do?” Question from Debra of Saint Inigoes, Maryland
Answer: Mophead or lacecap hydrangeas (Hydrangea macrophylla) are prone to fungal leaf diseases when there is excess moisture and the shrubs are poorly aerated. And, there are a couple of reasons why hydrangeas fail to bloom.
Hydrangea Leaf Fungal […]
“I have purchased peat moss for the first time and will have some left over for the winter, how should it be stored? Question from Victor of Toronto, Ontario, Canada
Answer: Store your bags in a covered, dry place, and be sure your bags are secured at the top. You want to keep bags closed and dry to reduce the chance of attracting fungus gnats […]
“I live in SW, Florida – what is the best time of year for growing vegetables? Question from Colleen of Englewood, Florida
Answer: I see that your summers are sweltering, humid, long, and can be cloudy while your winters are short, cool, and sunnier. What you grow in these times depends on the crop and season.
In the “cooler” winter months, you can grow root and […]
Male squash bee (Peponapis pruinosa). (Photo courtesy of USDA-ARS Bee Biology and Systematics Lab)
“What is the pollinator for summer squash? I stopped trying to grow them after getting zero fruits last summer!” Question from Robin of Warner, New Hampshire
Answer: It is frustrating when squash do not set fruits. There can be several reasons why, but the primary reason is lack of pollination. The main pollinators […]
Here’s a shot of my no-till garden three years after its creation.
“When creating no-till garden beds, do you think it’s best to till once and never again, or just use a never till method?” Question from Anthony of Bentonville, Arkansas
Answer: There are lots of benefits to going no-till with vegetable beds, especially when it comes to weed and weed seed control and the encouragement of […]
“What are the best tomato varieties for USDA Hardiness Zone 9a?” Question from Janet of Summerfield, Florida.
Answer: The best tomato varieties you grow will depend on the time of year in your Central-Florida location. You are lucky to have the luxury of being able to grow tomatoes almost year-round. For summer, grow very heat-tolerant varieties, and in your milder springs and falls pick fast-to-produce […]
“I have a large, 1/2 whiskey barrel in my flower garden, planted with various types of marigolds. Since Mother’s Day, when I planted them, I’ve fertilized them every two weeks. I am faithful about deadheading them as needed, on a daily basis. I water as needed. They are just glorious this year! 1) Should I continue to fertilize them? How long can I expect […]
“Which is the natural and most efficient solution against pests, aphids, white powder, etc. that year after year destroy our vegetables?” Question from Doina of Bothell, Washington
Answer: I wish that I could give you a simple answer. There are so many vegetables and so many pests and diseases that attack them that it is impossible to know where to start. You specifically mention aphids […]
“Some tips please – I planted a Hydrangea, and it lasted just a couple of weeks. I love the plant and would like to try again. Help!” Question from Rita of Dinuba, California
Answer: Hydrangeas are lovely when they are blooming at their prime, but many can be finicky, especially when it comes to soil and moisture levels. I see that your city has a […]
“I can never seem to grow zucchini right. Is there a type of soil that would be best for this?” Question from Amy of Oil City, Pennsylvania
Answer: We have gotten this question a lot, both with respect to zucchini and summer squash (both are the same–one is just green and elongated.). I have provided links to several of these Ask a Garden Expert answers. […]
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