The Horticulture program at College of DuPage will host its Spring Annual/Perennial Plant Sale on select dates in May at the COD Greenhouse, located just west of the Technical Education Center on the ...
Q: I planted several kinds of perennials last fall, and they're all putting up new leaves now. I'm wondering if I need to cover these in case of overnight frost. A: Usually, no. Assuming you're ...
About 10,000 years ago, our ancestors made a crucial choice that still haunts our food supply. When they planted the first farms, they chose to cultivate annual, not perennial, plants. Those annual ...
This story was published in 2019. After decades of fighting pests with chemicals, Creek Hill Nursery turned to a new weapon — a parasitic wasp with the scientific name of Aphidius colemani. This wasp ...
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