Mecardonia procumbens aka Yellow Flowered Waterhyssop Prostrate Mecardonia Prostrate Watter-Hyssop Tolerance Sun Tolerance High Stats Perennial Herb Height 4.00 in 24.00 in Spread 9.00 in Zone Range 9A 9B Ph Range 6.50 7.50 Propagation Propagation Method Division Bloom Month March April May June July August September Bloom Size 0.60 in Flower Color Yellow