Delphinium – Pacific Giants Astolat


Pacific Giant Astolat delphinium is a dramatic plant for the cottage garden or the back of borders. Huge 5cm double summer flowers are excellent for cutting. When first flower spike is removed immediately after bloom, additional spikes quickly form. Plants can grow up to 2m and could need staking to protect heavy flower spikes from the wind.

SKU: N/A Category:


Latin Name – Delphinium x cultorum

Sowing Instructions – To maximise germination seeds should cold-treated (stratified) first.
Place the still-sealed packet in the salad drawer of the fridge for a week or two.
Surface sow from February to June on fine free draining compost and very lightly cover with a fine sprinkling of compost or fine vermiculite. Early sowings of this variety may flower in their first year, with a main display from second year onwards.
Best placed in propagator 50-55F or inside a clear polythene bag in order to maintain humidity.
Exclude light until first seedlings show.
When large enough to handle transplant into pots and grow Delphinium plants on gradually acclimatizing to outdoors conditions after all risk of frost has passed.

Hints and Tips – Plant to final growing position when large enough 18in apart in moist well drained soil in full sun sheltered from strong winds. Ensure young plants are protected from slugs and snails.

Number of seeds – 40


Additional information

Tube or Refill

Seed-Tube, Refill


There are no reviews yet.

Be the first to review “Delphinium – Pacific Giants Astolat”

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.