Guardian Lavender Delphinium

Guardian Lavender is a Delphinium elatum in PanAmerican Seed’s Guardian F1 series. The upright selection is listed at 30–39 inches tall by 10–12 inches wide, with outdoor hardiness in USDA zones 4a–7b. ## Garden Profile PanAmerican lists Guardian Lavender for sun and early-spring to spring flowering. The Guardian series is described for perennial landscape use, commercial cut-flower production, and potted plant programs. The named lavender selection brings its distinct color identity to sunny borders and cutting gardens; see the [Guardian Lavender profile](https://www.panamseed.com/Products/022103336002843/delphinium-guardian-lavender/) and [2026–27 catalog entry](https://catalog.panamseed.com/view/445948364/133/). ## Planting Plant in fertile, well-drained soil and choose a sunny spot sheltered from strong winds. Leave space around the plants for their upright flower stems. ## Maintenance Stake as stems develop, water in dry spells to keep soil moist but not soggy, and deadhead faded spikes for additional flowers. The [RHS perennial delphinium guide](https://www.rhs.org.uk/plants/delphinium/perennial/growing-guide) provides general growing advice.