Veronica comes in a variety of shades, with the 'Dark Blue Moody Blues'™ (hardiness zones 6a-9b) variety offering deeper, saturated purple tones. Meanwhile 'Phenomenal Lavender' (hardiness zones ...

In the U.S., skeleton flowers grow best in USDA hardiness zones 4a through 9b. Good companions -- Solomon's seal, hellebores, and ferns, for example -- will thrive in a similar environment.

Knowing when to plant in specific hardiness zones is important to maximize the spring season's potential. A hardiness zone is a geographic area with a similar average minimum temperature.

(You can check a plant's tag to see if it's a good fit for the hardiness zone you live in; you can find your zone on the U.S. Department of Agriculture's Plant Hardiness Zone map.) 'I miss you so ...