Posts By: Kelly Welsh


A Mild December in 2015

Posted by & filed under Garden News, Horticulture News, Tom Houser Blog.

Ginkgo tree leaves enchanted forest

By Tom Houser, Norfolk Botanical Garden Senior Horticulturist It’s that time of the year when things here at the Garden are slowing down after completing most of our fall plantings. The Herbaceous team has completed their always arduous change-out of our annual beds, and every team is taking a breather after planting thousands (and thousands!)…

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Spider Mites

Posted by & filed under Don Buma Blog, Garden News.

The hot, relatively dry weather that we are currently experiencing often encourages population buildups of spider mites. Damage caused by spider mites is called stippling, see photo below, and occurs on the upper surfaces of leaves.  Associated with this stippling will be very fine webbing on the underside of the leaf.  Vegetable plants affected by…

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Blackspot of Roses

Posted by & filed under Don Buma Blog, Garden News, Horticulture News, Perennials.

Blackspot of roses is a fungus disease that can cause leaves to yellow and eventually defoliate. The first signs of blackspot, usually on lower leaves working its way up the plant, are leaves with dark, roughly circular spots with uneven edges. The most severe cases of blackspot occur when the relative humidity is above 85%…

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Poison Ivy

Posted by & filed under Don Buma Blog, Garden News, Horticulture News, Natural Areas.

Poison ivy (formerly Rhus radicans now Toxicodendron radicans) Can you identify poison ivy if you should come across this plant while weeding in your garden or out hiking? This is a vital skill if you wish to avoid the rash and irritation that results from coming in contact with it.  The old adage:  “Leaves of…

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Lawn mowing height in Spring

Posted by & filed under Don Buma Blog, Garden News.

How low should you go on the first cutting? On tall fescue and Kentucky bluegrass, you can mow as low as 1 to 1½ inches. Be careful you don’t go so low that you scalp the turf though.  Actually, low mowing can speed green-up by removing old, dead grass and allowing the soil to warm…

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