When to spray fruit trees ... Plants such as catnip, garlic, onion, chives and allium are all natural aphid repellants, while dahlias, asters, cosmos, zinnias and nasturtium can trap aphids.

Neem oil comes from the pressed fruit of the neem tree, which is native to India and Africa. Neem oil has natural insect-repelling properties, making for a useful yet organic insecticide. To use ...

Your first application of fruit tree spray should be early June. Additional applications need to be made at two-week intervals until early August to provide complete protection.

Q: I have apple, peach and plum trees that will not produce mature fruit. There is plenty of fruit initially but it rots and falls off before it matures.

New apple tree growers recently asked me if they needed to spray their apple trees. They were told they had to apply a fruit tree spray at least three times. The general answer to this question is ...

Here is some advice from growers Arnold Olson of Bettendorf and Art Jackson of rural Orion, Ill., and Duane Gissel, the horticulturist at Iowa State University/Scott County Extension. -- Get the ...

To prevent fruit production in an ornamental tree, spray the it with a chemical every year to get the fruit to drop when it’s still small. Spray the entire canopy of the tree when as many of the ...

DEAR NEIL: What kind of spray should I use on my fruit trees during the dormant season, and what should I use after they bud? Dear Reader: Apply a dormant (“horticultural”) oil spray to them ...