Trees

cicada on leaf

Cicadas are coming!

Over the Garden Fence
With all the media frenzy around this year’s upcoming cicada emergence, what can we really expect?  Let Extension help you separate fact from fiction. Why do they live so long? Cicada larva (or grubs) spend most of their life underground, feeding on tree roots.  Depending on the species, this can...
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Christmas tree traditions and care practices

Part of holiday tree history Decorating evergreen trees at Christmas is an old German custom that originated in the region along the upper Rhine River. The Christmas tree was first brought to America by Hessian troops during the Revolutionary War and, another early account tells of American...
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Gardening chores don't know summer is over

Some of our late summer and early fall garden tasks can take more time than others. Making a “to do” list can help us get them done in a timely manner and not forget anything. (For example, hurrying to get the houseplants in just after dark and before that predicted frost is never fun.) Here’s a...
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Surveying winter damage as spring emerges

We can always count on spring, but we cannot count on how our plants will come through the winter weather. Emails and phone calls coming into our offices are revealing some trends on how our landscape plants faired. A couple that have looked very good this spring are flowering ornamental...
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Many ways to recycle the Christmas tree

I know you are already thinking, “Why is he talking about what to do with the holiday tree while presents are still under it?” Well, I may be rushing the calendar a bit, yet having an expectation of how best to recycle the tree makes the follow-through easier. Right now, taking care of the tree...
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Weather influences foliar disease

The weather can, does, and will influence foliage disease each year, starting in the early weeks of spring. While early spring was a long time ago, many diseases are now quite visible in the home landscape. Ornamental flowering crabapples and apple trees have had...
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Late summer questions to the Master Gardeners

This time of year, many of the messages coming into our local Master Gardener Help Desks are commonly asked questions that track with our seasonal weather. Here are a few: Q: My lawn has looked pretty good until two weeks ago, what’s up with all the...
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photo of downed tree

Understanding storm damage to trees

Strong winds and heavy rains have caused damage to our larger, older shade trees. Wind and rain together provide the “right ingredients” to bring down limbs, especially those that have had structural issues like decay or poor crotch angles, creating included bark which weakens the crotch physically...
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The gall of insects (tree bumps and lumps)

Gardeners have been seeing lots of lumps, bumps, and blobs on different kinds of leaves throughout the home landscape, or in parks and the forest preserves. It is not uncommon, as this occurs annually. What is uncommon is the generous number we are seeing this year. These growths are generally...
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Watering tips for hot weather

The hot, dry weather we have been getting – and will continue to get – changes how we are going to water the home landscape. Best management practices, or BMP, includes more than just watering (but water is so key to plant survival) and more than just your vegetable plants. Tips for...
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Top 5 early summer topics for gardeners

Master Gardener Help Desk emails have really been different this past two weeks. Our early spring challenges have left and along came the first of our summer concerns in the landscape and vegetable beds. The list turned into more than a column’s worth, so going to hit the big ones this week:...
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Trees deserve to be mulched the right way

Homeowners expect so much from shade trees, but those same trees get little care once they get established in the home landscape. Besides getting watered during stressful times, proper mulching can go a long way in the health of the tree. ...
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Recycle or Repurpose your Christmas Tree

Just about now, you can see once-fresh Christmas trees sitting in yards or by curbs, waiting for the assigned pick-up date to be collected and mulched. This is one way to be sure your holiday tree gets recycled to the benefit of the environment. (And, if available in your area, be sure to mark your...
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Pick the Christmas Tree Right for You - Artificial vs. Real

Last week, I shared some tips for selecting a fresh, or “real,” Christmas tree. However, that is just one choice out there. Each year, households across America debate the decision of real vs. artificial for the family Christmas tree. Key points may include tradition, aesthetics, and, more recently...
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evergreen trees

Selecting Your Christmas Tree

With Thanksgiving last week, holiday tree shopping – whether you are going to cut your own or visit your favorite lot to purchase your tree – is in full swing now. Some of the common favorites are balsam fir, Fraser fir, Scotch pine and white pine, each having different...
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Fall's Frequent Topic Review

Fall Colors & Leaves: Three weeks ago, there was only a hint of fall color in the home landscape. In the last week or so, fall color has come a long way. All the red maple cultivars have developed good reds and lots of other trees and shrubs are showing strong yellows and golds...
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Fall is for More than Tree Planting

Fall is for more than planting trees (although it is true that fall is a great time for that – see more below). Fall also is the time to do so many activities in the home landscape. These are not just weekend activities, but things that can be done in small bites, even on weekday evenings. Before...
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Galls Abound All Around

This season gardeners have been seeing many lumps, bumps and blobs on all kinds of plants throughout the landscape, in parks and forest preserves. It is not uncommon since this occurs annually, what is uncommon is the generous number of these growths we are seeing.   These are generally known as...
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