Nasturtium officinale ~ Watercress step treads with its yellow margins that

with its yellow margins that can be so intense it looks still in bloom from a distance

Poco Orange Dwarf Red Hot Poker is a compact semi-evergreen perennial with upright grass like dark green leaves

A carpet of hot pink flowers coat the foliage in spring

The spicy scented

Luscious® Royale Cosmo

Nasturtium officinale ~ Watercress step treads with its yellow margins thatWatercress is a semi aquatic perennial herb with a creeping habit and edible nutrient dense foliage. The foliage is best harvested in spring when it has a distinct earthy and peppery kick similar to radish, as after the white flowers bloom in summer they turn bitter. Best grown in full sun and rich, consistently moist to wet well drained soils. Type: Annual Height: 0. 5' 2' Spread: 1 3. 5' Spacing: 3' USDA Hardiness Zone: 3 11 Culture: Full Sun, Part