- Mexican petunia
Botanical name: ruellia
Average Size at Maturity: 1 – 3 ft in height and in width
Hardy zone: zones 8 – 11
Bloom Time: late spring, summer, early fall
Flower Color: purple
Foliage Color: green
Growth Rate: can reach full maturity in first or second growing season
Pruning needs: pinch off young shoots to encourage branching and more flowers
Landscape Use: shrubby ornamental, great for mixed garden beds and short boarders
Light Needs: 4 – 6 hours of sun a day
Special Feature: attracts butterflies
Water Needs: keep soil consistently moist during peak summer temperatures
Fertilizing needs: use 10-10-10 in the spring
