Candle delphinium 'Pacific Giants'

Delphinium elatum

How to grow Candle delphinium 'Pacific Giants'

  • Full Sun

  • Medium

Feed in spring and after first flowering.1

Flower spikes should be staked carefully as they may brake in strong winds.1 Deadhead spent blooms to just above the first leaves to encourage rebloom.

Watch for slugs, snails, powdery mildew, leaf spot, and crown rot.1

In warm or humid climates delphiniums will suffer, they may be grown as annuals.1

Try to plant in a location that enjoys full sun and remember to water moderately. Pacific Giants is generally regarded as a hardy plant, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea). Pacific Giants needs a soil ph of 6.6 to 7.0 (weakly acidic soil - neutral soil).

Growing Pacific Giants from seed

Start seed in spring and transfer after last frost. Space 30" apart and water well. Mulch to conserve moisture.1

For optimal germination, soil temperature should be a minimum of 15°C / 59°F.

By our calculations, you should look at sowing Pacific Giants about 14 days after your last frost date.

Transplanting Pacific Giants

Pacific Giants is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.

Harvesting Pacific Giants

This variety tends to mature and be ready for harvest in mid summer.

Footnotes