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

Mystery plant likely a flowering quince


Q: Can you help me identify this shrub that flowered this spring? We’ve lived on this property for over 10 years but have never noticed it because it is on a part of the property that is not mowed. I only noticed it because of the bright red flowers. – T.G., Noble County A: This looks to be one of the flowering quince species, most likely the common flowering quince Chaenomeles speciosa. Although the plant […]

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Fall Leaves Are Treasure, Not Trash


The hot dry weather experienced throughout much of Indiana in late summer is bringing an early leaf drop to many landscape plants. But even under the best weather conditions, the shorter, cooler days of autumn signal deciduous plants to begin their color change and eventual leaf drop. For some, this marvel is overshadowed by the chores of raking and disposing of leaves. What’s needed here is an attitude adjustment! Autumn leaves don’t have to become […]


October Garden Calendar


HOME (Indoor plants and activities) Keep poinsettia in complete darkness for 15 hours each day — for example, between 5 p.m. and 8 a.m. — for eight to 10 weeks until red bracts begin to show. Pot spring-flowering bulbs to force into bloom indoors. Moisten soil and refrigerate 10 to 13 weeks. Transfer to a cool, sunny location, and allow an additional three to four weeks for blooming. Houseplants, especially those grown outdoors during the […]


Don’t let sap-sucking squash bugs get old


Q: We have been battling squash bugs for years. This year we went to preventive measures. Well, they are back. I now need to know what can we do to apply to kill them on contact. We are totally organic here. – T.H., Bremen, Indiana A: Squash bugs can be a persistent pest on all of the cucurbits, but especially on squash and pumpkins. This pest overwinters as adults in crop residue or nearby weeds, then fly to […]


September Garden Calendar


HOME (Indoor plants and activities) Prepare storage areas for overwintering tender flower bulbs and garden produce. Thanksgiving (or Christmas) cactus can be forced into bloom for the Thanksgiving holidays. Provide 15 hours of complete darkness each day, for instance, from 5 p.m. to 8 a.m., for approximately eight weeks. Keep temperature at about 60-65 degrees F. Temperatures of 55°F will cause flower buds to set without dark treatment. Dig and repot herbs, or take cuttings, […]


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