Sprout Home Delphinium Guardian

No, 'Guardian Blue' is specifically bred for its strong, sturdy stems and uniform growth habit, so it typically does not require staking like older, floppier varieties.

While the primary bloom time is June through July, you can encourage a cleaner appearance and potentially a secondary flush of flowers by regularly deadheading the faded stems throughout the summer.

These delphiniums are best suited for USDA Hardiness Zones 4 through 7. If you live in a region with consistently high heat, they may struggle to thrive, as they prefer cooler, temperate conditions.

For optimal airflow and to create that dense, impactful look, space your plants 18 inches apart.

Yes, their height and sturdy stems make them an excellent choice for fresh floral arrangements, providing a striking cobalt blue focal point.

They need well-drained garden soil. While they require consistent moisture during the warmer months, they will not tolerate sitting in waterlogged or heavy, boggy soil.