Achillea

Nepeta, or catmint, is a very useful little plant.  Most varieties get about a foot tall, but ‘Six Hills Giant’ can grow to three feet.  Grey-green leaves and spikes of purple flowers are characteristic.  Bees love Nepeta and deer tend to leave it alone.  N. cataria is catnip, the herb of choice for many cats. …

Echinacea, or coneflower, is a tough plant that blooms for a long period in summer and autumn.  Recent breeding has produced flowers of many colors and plants of varying heights.  These plants are suitable for the garden or containers.

Gaura is a lovely, airy plant with either pink or white flowers that vaguely resemble butterflies.  Foliage is usually green, but some newer varieties have reddish foliage.  Plant size varies from about two feet to four feet.  Gaura can self-sow vigorously under the right conditions, but it is so long blooming (late spring to frost) that…

Tulbaghia, or society garlic, is an evergreen perennial with narrow green or green and white variegated leaves.  Clusters of small lavender flowers top stems that are one to two feet tall.  Provide regular water.  Because of the garlicky odor of the leaves, deer tend to leave it alone.

The genus Chrysanthemum provides gardeners with some indispensable plants.  Shasta daisy (C. maximum) is a wonderful summer blooming perennial that is available in tall or dwarf forms.  Flowers can be single, double or somewhat shaggy. C. hosmariense is a great little plant, growing to about eight inches tall and two feet wide.  It has finely…

There are so many colors and sizes of penstemon hybrids.  Among the favorites are ‘Firebird’ (red), ‘Midnight’ (purple), ‘Garnet’ (fuchsia pink), ‘Thorn’ (white with a pink blush), ‘Apple Blossom’ (pink), ‘Bev Jensen’ (magenta) and ‘Raven’ (darkest purple).  A very floriferous variety on a smaller plant is ‘Pike’s Peak Purple’.  All these varieties take heat and cold and…