Grow guide
How to grow Delphinium Guardian Blue
Delphinium elatum
- Type
- Delphinium
- Zones
- USDA zones 4–7
- Sun
- Full
- Time to harvest
- 120–150 days
- Spacing
- 18″ apart
- Density
- 1 per sq ft
- Habit
- Upright
- Frost tolerance
- Hardy
- Sowing
- Start indoors, then transplant
- Start indoors
- 8 weeks before last frost
Care
- Water Weekly
- Harvest As needed
- Trellis As needed
- Deadhead As needed
Notes
F1 hybrid with dense 30-39-inch spikes of royal-blue double florets with white bees; blooms 6 weeks ahead of open-pollinated elatum types.
More delphinium varieties
Grows well nearby
Track Delphinium Guardian Blue from seed to harvest with Evengrow.
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