Delphinium 'Guardian Blue'
Delphinium 'Guardian Blue' is a striking perennial producing tall, upright spires densely packed with rich blue flowers, each highlighted by contrasting white centres. Flowering through summer, it creates impressive vertical interest in borders and cottage garden planting schemes.
Held on strong, sturdy stems, this variety is particularly valued by professional cut flower growers for its excellent vase performance and dramatic colour. Ideal for sunny borders with fertile, well-drained soil, it also attracts bees and other pollinators to the garden.
- Striking blue flowers with contrasting white centres
- Tall flower spikes held on strong stems
- Excellent for cut flower arrangements
- Adds height and structure to sunny borders
- Attractive to bees and pollinators
- Best grown in full sun and well-drained soil
- Height 90cm - Spread 60cm
Larkspur
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EAN code5060942145080
- Brand
- Pot Size1L (13cm)
- AspectEast-facing, South-facing, West-facing
- Attractive to WildlifeAttractive to Bees
- Flower ColourBlue
- Flower FormDouble
- Flowering MonthJune, July, August, September
- Foliage ColourGreen
- Foliage TypeDeciduous
- Garden StyleArchitectural, City & Courtyard Garden, Cottage & Informal Garden, Patio & Container, Wildlife Garden
- Hardiness (RHS rating)H5 -15 to -10ºC. Hardy - cold winter
- Height90cm
- Spread60cm
- MoistureMoist but well-drained
- pHAcid, Alkaline, Neutral
- Plant HabitClump-forming
- Plant TypePerennial
- Planting TypesBorders and Beds, Cut Flowers
- Season of InterestSpring, Summer, Autumn
- Soil TypeClay, Loam, Sand
- Special AttributesEasy to Grow, Long Flowering, Low Maintenance
- SunlightFull Sun, Partial Shade
- ToxicityPoisonous
The majority of our national delivery options fall under the categories below. Certain oversized or age restricted items carry an additional delivery charge, however this will be clearly displayed in your basket before checkout.
Tracked Delivery (Express) - £7.99
Zone 1 - England, Wales & Scotland (excluding Highlands & Islands)
- Orders are dispatched within 3-5 working days
- Parcels are sent via DX or DPD on a next day service, requiring a signature on delivery or safe place instructions
- Fully tracked from door to door with text or email notifications along the way to keep you informed
- 2 hour time slot notification
- Dispatch days Monday - Thursday (excluding Bank Holidays)
- Delivery days Tuesday - Friday
Tracked Delivery (2-4 Days) - £14.99
Zone 2 – Highlands & Islands of Scotland
- Parcels are sent via a tracked 48 service, requiring a signature on delivery or safe place instructions
- Tracking code provided on dispatch. Email or SMS notification on day of delivery
- Orders dispatched within two working days
- Please expect 2-4 days for delivery
- List of applicable postcodes
Tracked Delivery (3-4 Days) - £14.99
Zone 3 – Isle of Man, Isle of Wight & Isles of Scilly
- Parcels are sent via a tracked 48 service, requiring a signature on delivery or safe place instructions
- Tracking code provided on dispatch. Email or SMS notification on day of delivery
- Orders dispatched within two working days
- Please expect 3-4 days for delivery
Parcel Tracking
Your order will be sent using a fully tracked service, providing us with some information on the parcel's status, location and route. It also allows us to provide you with the same information. Once your order has been dispatched you will receive an email (please check spam/junk email folders) with a tracking code and instructions on how this information can be retrieved.
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