Salvia Patens. Heirloom Salvia that produces spikes of sky-blue, hooded flowers throughout the summer. An easy care plant that provides long lasting color in the landscape. Great in mixed borders, containers and mass planting. Grows 2-3' tall by 1-2' wide. Blooms all summer. Full sun. Plant in moist, fertile, well-drained soil. Zones 8-10.