Purdue Garden Articles

The following news articles were written by Rosie Lerner, Extension Consumer Horticulture Specialist, Bev Shaw, Advanced Master Gardener, or by staff at White River Gardens in Indianapolis and are distributed to news media around the state by Purdue University Agricultural Communication Service.

Most Recent Articles

Ornamental Pear Fallout


Q: I’ve attached pictures of the only tree we have on our property. Because it is our only tree, I am deeply concerned with the possibilities of irreparable damage to it. As you can see, one of the branches broke off during a November windstorm. Unfortunately, that left a bare gap on the trunk. Please let me know how to treat this damaged area so no further damage is done to it and tell me […]

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Yard & Garden Calendar – April


HOME (Indoor plants and activities) Start seeds of warm-season plants (including tomatoes, peppers, eggplant, marigolds, zinnias, and petunias) indoors for transplanting later to the garden. Harden off transplants started earlier in spring before planting outdoors. Gradually expose the young plants to outdoor conditions of wind, brighter sunlight, and lower moisture. Apply fertilizer to houseplants according to label directions as days grow brighter and longer and new growth begins. Foliage plants require relatively high-nitrogen fertilizer, while […]


Rhubarb is prone to bolting. Here’s what to do


We humans can be so difficult to please. When plants flower when we want them to, we call it blooming. But when plants flower when we don’t want them to, we call it bolting. Flowering is an undesirable trait when growing rhubarb; therefore, bolting describes the event. Gardeners frequently ask why their rhubarb is bolting. Well, if you think of it from the plant’s perspective, it is just a part of the plant’s natural life […]


Early spring pruning will tame this hydrangea


Q: I have a hydrangea that is overgrown. It’s falling over and is too tall and wide. I would like it not to block the window. But I don’t know how/when/how much to prune to a smaller size. — T.B., Morgan County A: Pruning time and technique depends on the particular species of hydrangea. Yours appears to be the panicle hydrangea, Hydrangea paniculata. Panicle hydrangea blooms on new wood, meaning the flower buds are produced on new […]


March Gardening Calendar


HOME (Indoor plants and activities) Begin fertilizing houseplants as new growth appears. Remove spent leaves and flowers to improve appearance and encourage more blooms. Start garden seeds indoors for transplanting outdoors later in spring. Check stored bulbs and produce for decay; discard damaged items. Prune, repot, and clean houseplants as needed. YARD (Lawns, woody ornamentals, and fruits) Prune trees and shrubs (except those that bloom early in spring) while plants are still dormant. If you […]


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