Arabis Seeds - Snow CapSnow Cap Arabis flower garden seeds. Perennial flower. 2nd Year Maturity. Snow Cap Arabis flower seeds promise dense and elegant full season blooming to your garden when others can not. Arabis flower seeds grow vigorous, hardy mounds that thrive in a wide range of hot and arid North American gardens. Snow Cap seeds mature into a tidy and convenient 4 6 tall Arabis boasting delightful blooms in a classic spread of alpine white. Snow Cap Arabis seeds