Plants that bloom in March in Zone 9 with lavender flowers

Eastern Redbud

Magenta flowers erupt directly from bare branches. Spring showstopper tree.

Gulf Coast Penstemon

Nodding tubular flowers in soft lavender shades brighten moist woods of the Gulf Coast.

Hellebore

The Lenten Rose. Elegant nodding blooms that thrive in deep shade.

Rosemary

Aromatic evergreen herb with tiny blue flowers loved by early bees. Needs excellent drainage.