Dephiniums have the reputation of being difficult prima donnas but if planted in a location where they are happy they are pretty simple to care for. Fertilize and water regularly, and do not crowd.
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Pacific Giant Mix is thought of as very hardy, so this plant will tend to survive through freezing conditions. Pacific Giant Mix tends to grow best in a soil ph of between 6.5 and 7.5 meaning it does best in weakly acidic soil - weakly alkaline soil.By our calculations, you should look at sowing Pacific Giant Mix about 49 days before your last frost date.
Plant in full sun in fertile, loamy soil. Mulch to conserve soil moisture. Delphiniums prefer cool temperatures.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Pacific Giant Mix is a very hardy plant.The modern delphinium is the result of hybridization of many species from around the world. “Pacific Giants” is a seedline developed by the American breeders Vetterly and Reinelt.
Pacific Giants Mix