With the herbaceous wildflowers withering in sudden heat, subshrubs are showing their best form. These are perennial natives that feature woody basal branches like lavender, for example. Our most ...

Gold poppies, which normally grace deserts near Tucson in the spring, are blooming now in Saguaro National Park west of the city — a day before the official beginning of winter. The flowering poppies ...

Globemallows (Sphaeralcea spp.) are well adapted to semiarid and arid environments. They are potentially useful as the forb component of seeding mixtures for rangeland improvement in the western ...

Question: What’s causing this rash of dark brown fuzzy spots on the undersides of my hollyhock leaves, and is it killing my plants? Phillip Lujan, diagnostician for the PDC, offered suggestions for ...

Seed germination percentages of scarlet globemallow can be increased by acid and mechanical scarification. However, the highest germination rate was produced with diethyl dioxide. All treatments ...

Mar 2, 2024 Mar 2, 2024 Updated Mar 2, 2024 ...