Warm days and cool nights are happening now. These are perfect conditions for powdery mildew to thrive in the garden. This common disease is easily recognized by the talcum-powder like appearance on new and old leaves, tender new shoots, some flowers, and fruits. It affects a huge range of plants, not just roses; crape myrtle, […]
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The bane of many gardeners, especially rose-growing ones, is the gopher. While this voracious pest loves roses, they’re not fussy – in fact, there isn’t a lot they DON’T like! The pocket gopher is named for the external, fur-lined check pouches the critters use to carry food to their storage area. The thick-bodied rodents range
Gophers are really bad guys Read More »
Predators, parasites, and pathogens (disease producing organisms) are the primary groups used in the biological control of insects and mites along with many species of amphibians, birds, mammals, and reptiles. Insects that are natural enemies of pests are also referred to as beneficial insects or beneficials. The most common type of natural enemy is the
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Don’t be fooled! This is NOT a green ladybug! The cucumber beetle is a common pest that feeds on the vegetable gardens and may also attack ripening stone fruit, although it’s not fussy and can be found in many parts of the yard, even on roses. These beetles may spread cucumber mosaic virus or wilts
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What happens when you combine spring weather – cool nights and warm days, and a rain that lasts for a day or two? Well, besides the proverbial May flowers, it is the appearance of the BIG THREE fungal diseases of roses – powdery mildew, black spot, and rust. The bad news is that as long
The Big Three Rose Diseases Read More »
With the last substantial rains being a distant memory, summer temperatures and low humidity are ideal conditions for spider mites – a scourge of the season for roses and lots of other plants. Spider mites are related to spiders and ticks. With eight legs and an oval body 1/20 of an inch-long, they look like
These pests love dry and dusty! Read More »
Grrrrr – while merrily tending my roses, I’ve come across another victim of the dreaded beast – the gopher. If this is not one of the gardening challenges you face, you can stop reading now. Since I live in gopher heaven, each season I have to deal with the damage from this voracious pest. And
As we approach pruning season, you’ll be looking more closely at your roses, and you may encounter rose canes that appear darkened or dead. Likely, this is dieback, a condition characterized by the progressive death of stems and canes that can ultimately compromise the health and appearance of your rose plants. The dying areas may
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With the first rains of the season comes the potential for Botrytis – the disease that can turn lush blooms into a brown, soggy mush. This common disease is also known as Botrytis blight, bud rot, gray mold, wooly mold and when growing on grapes, the “noble rot” where it can either ruin a crop
Nobel Rot on your Roses? Read More »
Thrips are generally bad news for the gardener, whether you have one type of thrips (the name is the same – singular and plural) or more. Not visible to the naked eye as they often feed within buds and furled leaves or in other enclosed parts of the plant, these extremely small insects cause damage
These Bugs are Bad News Read More »