Delphinium Excalibur ‘Light Blue / White’ produces tall, soft blue flower spikes with a pale central eye. It offers a lighter, airier colour than darker blue varieties while still delivering classic Delphinium height. Ideal for traditional borders and romantic planting schemes.
Quick Facts
Sunlight: Full sun
Soil: Moist but well drained soil
Flowering time: June to July
Height and spread: Around 160 to 180cm tall and 45cm wide
Hardiness: Fully hardy perennial
Wildlife: Attracts bees
This perennial is herbaceous, it dies back to below ground level each year in autumn, then fresh new growth appears again in spring. Depending on the time of year you order, the plant may arrive looking different to our photos. Please plant as normal.
Our plants can be planted all year round providing the ground isn't frozen or waterlogged at time of planting, for more info click here
✓ Show stopping flower spikes above mounds of soft green foliage
✓ Can reach heights of 80-90cm
✓ Make excellent cut flowers
✓ Attractive to Butterflies and Bees
✓ Plant in fertile, well drained soil
✓ Plant in Full Sun or Partial Shade
Delivery information for UK Mainland Deliveries:
Our cost for Standard Delivery is £5.99. This price is the same regardless of how many items you purchase! If you spend £150.00 or above, Standard Delivery is free. Standard Delivery takes 2-6 Working Days.
Next Working Delivery is £9.99. Please place your order by 2pm Monday – Thursday. Please note deliveries are carried out by a third party courier; therefore, we cannot guarantee our Next Day Delivery Service. During very busy periods, Next Working Day delivery may be temporarily unavailable.
Postcode and delivery exclusions apply.
This plant is a herbaceous perennial. Herbaceous perennials die back below ground level each autumn, then fresh new growth will appear in the spring. Stake the tall stems before the flowers appear. Feed throughout the growing season. Cut back spikes of faded flowers to a side shoot to encourage a second flush of flowers. Cut back foliage in autumn to ground level.
Harmful to human and pets if eaten. Irritant to skin and eyes.
Images are used for illustrative purposes only. Due to the maturity of the plant and the time of the year, plants may not arrive looking like our images.


If you order by 2:00pm Monday - Thursday (Excluding Bank Holidays) and select 'Next Working Day Delivery' we aim to deliver your order on the Next Working Day.
If you select Standard Delivery you will receive your order in 2-5 Working Days from the day your order was placed.
95% of the plants we have in stock on our website can be planted 365 days a year providing the ground is not frozen or waterlogged at time of planting.
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We take the upmost care in selecting and packaging our plants to dispatch.
If you are not 100% happy with your order, please let us know. Ensure that you please return your order back to us within 28 days and we can either issue a refund or send out replacements!
Of course, please contact us on 01706 881 422 to talk to a member of our friendly team.
We do now allow collections under any circumstances, however with our Next Working Day Delivery you can receive your order the very next day* !