Delphinium Seeds 'Pacific Giants' - Unwins

The best time to sow is indoors in early spring (February-April). You can also sow directly outdoors in autumn for earlier flowering the following year, provided the ground is workable.

These varieties can reach impressive heights, typically growing up to 1.8 meters (6 feet) tall, depending on soil conditions and care.

Yes, due to their significant height and heavy flower spikes, staking is highly recommended to prevent them from bending or breaking, especially in windy locations.

While possible, Delphiniums prefer to be planted in the ground for optimal root development and stability. If grown in containers, choose very large pots and ensure excellent drainage.

Delphiniums prefer full sun for the best flowering, but they can tolerate light, dappled shade. Avoid deep shade, as this will result in weaker growth and fewer blooms.

When cut at the right stage and conditioned properly, Delphinium flowers can last for 7-10 days in a vase.

Yes, all parts of the Delphinium plant are toxic if ingested, containing alkaloids. Keep them away from pets and children who might be tempted to eat them.

Ensure seeds are kept consistently moist and at the correct temperature. Check seed viability if stored for a long time.

Provide adequate sunlight and ensure the soil is fertile. Support may be needed for upright growth.

Ensure plants receive enough water and nutrients. Avoid overcrowding and provide good air circulation.

Improve air circulation around the plants, avoid wetting foliage when watering, and remove affected leaves. Choose mildew-resistant varieties.

Provide sturdy support stakes early in the season, ideally before the plant grows too tall.