As the name suggests, watercress needs water to grow. It is a cool-season green that adds peppery zest, and a boost in vitamin C and iron, to sandwiches, omelets, baked fish and fresh salads. This fast-growing perennial herb is often grown as an annual. It is a riparian plant that prospers in moist to saturated soils that are non-stagnant. It originates from Eurasia, from the British Isles and southern Scandinavia, to western Asia, and can also be found in northern Africa. It is also an invasive...
If it’s a tough, drought-tolerant, everblooming perennial you seek, then look no further. The hybrid catmint ‘Blue Wonder’ forms attractive mounds of fragrant, fuzzy foliage and offers short spikes of lavender blue flowers all summer. Another perk is that it is said to be sterile, so it does not self-sow.
The uniformly mounded plants of ‘Blue Wonder’ have fuzzy heart-shaped leaves with scalloped edges that are medium to grey-green. The drier the growing conditions, the greyer the foliage. In...
(Hybrid Catmint, Six Hills Giant Catmint)
If it’s a tough, drought-tolerant, everblooming perennial you seek, then look no further. The hybrid 'Six Hills Giant' offers loose, upright clusters of violet-blue flowers all summer. These appear on large plants with distinctly fragrant foliage.
The big mounded plants of 'Six Hills Giant' have fuzzy, heart-shaped leaves with scalloped edges that are medium to grey-green. The drier the growing conditions, the greyer the foliage. In summer, it produces tall, upright clusters of small, tubular,...
(Cat Nip, Catnip)
There are several Nepeta species that attract cats, but the aptly named Nepeta cataria is the true catmint that sends felines into an unmistakable state of gleeful madness. This hardy perennial originates from Europe and Asia but has become naturalized in many other parts of the world.
Catnip is a member of the mint family, so its fuzzy, oval, gray-green leaves are highly aromatic. In summer, it produces marginally showy spikes of small, white, tubular, two-lipped flowers....
James H. Schutte
(Caucasus Catmint, Large-flowered Catmint)
Like it parent species, ‘Dawn to Dusk’ is known as catnip for its narcotic effects on felines. It is a hardy perennial, descended from a native of the Caucasus region of eastern Europe by way of extensive breeding to yield more attractive garden forms. Its leaves are small, scalloped, and a soft gray-green color. They may or may not be felted with tiny hairs. The leaves are set opposite one another on the stems which may be straight or branched depending on how the plant is trimmed. They share a...