Because plants have evolved in a wide range of places ... that is the coldest zone in which the plant is winter-hardy. The plant also will be hardy in warmer zones with higher numbers.

After hours: February 7 at 6:35:38 PM EST Loading Chart for TREE ...

Jan. 23, 2025 — Rising carbon dioxide levels affect more than just the climate; they also affect the chemistry of the oceans. When saltwater absorbs carbon dioxide, it becomes acidic, which ...

Plants with marginally hardy stems such as clematis and shrub roses should be pruned back to live wood. Hardier shrubs such as late blooming spireas and smooth (snowball) hydrangeas should be pruned ...

Whether you’re planting in your yard, on a windowsill, or in a public space, you can help create more bird-friendly habitats with native plants. Find the best plants for your area (and where to get ...

Feb. 6, 2025 — A study has identified key genetic pathways in corn that help its roots branch out to find water in soil; the varieties adapted to temperate regions like the U.S. corn belt showed ...