Q: My son gave me a plant called evening primrose this past spring. He got it from a neighbor. It blooms yellow over about 6 weeks, but each flower only lasts one evening and then dies. Hummingbird ...

If it is a native wildflower it must be good? Not always. The White Evening Primrose (Oenothera speciosa), commonly known as the Pink Evening Primrose or Pink Ladies, is a low-growing herbaceous, ...

Evening primrose is a pretty native flowering plant that seems perfect for a cottage garden or to fill in a raised bed. But if you grow this plant, you’ll very quickly be sorry that you did—once ...

Isozyme analysis of the rare Oenothera wolfli (Wolf's evening primrose) and the garden escape, O. glazioviana, indicates that hybridization between these species may be more widespread than ...

-- Dear Harvey: I have seen this pink flowering plant everywhere. Is it a weed or a wildflower and can I grow it in my own garden? Thank you. – Bonnie S. I love the question is it a “weed or a ...

1. Genotypic diversity in plant populations is known to enhance plant performance and ecosystem function. Nonetheless, the effect of genotypic diversity has rarely been examined across a population's ...

I LOVE plants that change colour after they open, as evening primroses do. Choose carefully, and the days of late summer will be enlivened by large, translucent saucers of yellow and apricot, ...

Air pollution may blunt the signature scents of some night-blooming flowers, jeopardizing pollination. When the aroma of a pale evening primrose encounters certain pollutants in the night air, the ...