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Delphinium Seeds - Galahad

Botanical - Ranunculaceae


Seed Count:
50 Seeds
Usually despatched within 24 hours
See "Delivery Charge" tab below
Price £2.69

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50 Seeds.

Other Names - Bee Larkspur, Candle Delphinium, Pacific Giants…

Galahad Delphinium belongs to the Pacific hybrid group and produces a pretty pure white semi double flower spike. This variety is ideal for growing at the back of the borders as it is a tall variety which will benefit from some supports. This stunning flower will attract bees and other beneficial pollinating insects into the garden.

  • Produces stunning pure white semi-double flowers.
  • Tall growing variety.
  • RHS Perfect for Pollinators.

Suitable For - Herbaceous borders, flowers for drying, cottage garden, flowers for cutting

Sowing Months - February, March, April

Flowering Months - June - August

Soil Preperation

To help with moisture retention and fertility the plants will benefit from having a good amount of organic matter such as well rotted manure or compost adding to the soil a few weeks before planting. If the soil is a heavy clay add some course grit to the soil to improve drainage. Remove weeds, especially perennial weeds from the area.

General Information
Habit Perennial Soil type Fertile, rich, well drained soil
Type Pacific Giant Strain Distance between plants 60 - 90 cm
Position Full sun Sowing depth 2 mm
Average height 130 - 150 cm Germination Temperature 15 to 18℃
Average spread 70 - 90 cm Days to germination 14 - 21 days
Hardiness Fully hardy down to -15 RHS Bee friendly Yes
Soil Ph   RHS Award winner No

Sowing Guide

Early Sowing/Module Sowing

An earlier sowing will ensure the Delphinium plants are a good size by summer.
Sow the seeds on the surface of moist compost in pots, trays or modules. Cover with a thin layer of compost or vermiculite.
Place the container in a clear polythene bag and seal, leave in a warm location. Or if preferred place in a propagator.
Once the seeds start to germinate remove from the plastic bag or propagator and place in an area with good light exposure and a reduced temperature. Protect from frost and direct hot sun at this point.
When they are large enough to handle transplant into individual 7 - 10 cm pots.
Plant out into their final growing position as soon as the plants are strong and a good size.
Before planting out harden off over 7 - 10 days so that they can acclimatize to the outdoor temperatures slowly.
For later sowings - grow the Delphiniums on in pots in a well lit area until they become winter dormant. Over the winter months keep the plants dry and frost free in a greenhouse or garage. Once shoots start to appear again in early spring, water well and move to a well lit area and protect from frost. Plant out when all risk of frost has passed.

Direct Sowing

For best results start the plants indoors.

Growing On

Water well until the young plants are established.
To ensue good quality flower spikes, thin the shoots when they are around 10 cm high, leaving 2 - 3 shoots on each plant and 5 - 8 strong shoots on well established Delphiniums.
It is advisable to add supports when the plants are no taller than 30 cm. This should be done carefully so that the stem and roots are not damaged. During the growing season water well and feed with a liquid fertilizer every 2 - 3 weeks.
Once the flower spikes begin to fade, cut back to a level that has healthy living leaves. This will tidy up the plants appearance and it may also encourage new flower spikes to grow. In autumn after the plants have withered cut back all growth to ground level.


All parts of the plant if ingested may cause severe discomfort. Direct contact with foliage can cause skin irritation.

Delivery Information

All products on this website are for delivery to the UK only.

(Including Northern Ireland, the Highlands & Islands, Scilly Isles, Channel Isles and the Isle of Man). Delivery charges to these areas are the same as UK mainland stated below (with no additional surcharge). Delivery however may take longer than the times stated due to weather, distance etc.)

FREE DELIVERY on all orders over £9.98

When applicable, free 2nd class delivery will be automatically calculated at checkout.

STANDARD DELIVERY - Royal Mail 2nd Class (3 - 5 working days) - £0.95

For orders under £9.98, the "Standard Delivery" charge will be added automatically at checkout.

FAST DELIVERY - Royal Mail 1st Class (1 - 2 working days) - £1.52

If preferred please select this delivery option at checkout.

For further information please visit our Delivery, Postage & Packaging page.

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If however you receive goods that have been damaged, incorrect or missing, let us know within 72 hours of receiving the goods and we will either fully refund you (including postage costs), promptly send you a replacement or credit your Groseeds account, depending on your preference.

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Faulty Goods.

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