A pacific hybrid perennial with tall spikes of soft lilac-pink flowers from May to July. Height 1.7m. Spread 75cm. Full sun. Fertile, moist, well-drained soil. Hardy. Attracts bees.
Delphinium ‘Astolat’ is a pacific hybrid perennial with tall, elegant spikes of soft lilac-pink flowers, blooming from May to July. Growing to 1.7m high with a 75cm spread, it thrives in full sun with fertile, moist, well-drained soil. Hardy and bee-friendly, Delphinium ‘Astolat’ is ideal for adding height and colour to perennial borders.
PLANTING and AFTERCARE GUIDE
Best Planting Time
Spring: Plant Delphinium ‘Astolat’ in spring when the soil begins to warm. This allows strong root establishment before flowering.
Autumn: Early autumn planting is also suitable, giving the crown time to settle before dormancy and encouraging vigorous growth the following year.
Site Selection
Sunlight: Delphinium ‘Astolat’ grows best in full sun to promote tall, strong flower spikes, though it tolerates partial shade.
Soil: Plant in fertile, moist, well-drained soil. Mix in organic matter such as compost to enhance fertility and drainage.
Planting Instructions
Prepare the Hole: Dig a hole twice as wide as the root ball and equal in depth.
Soil Preparation: Enrich the soil with compost or well-rotted organic matter to improve structure and nutrient content.
Planting: Place Delphinium ‘Astolat’ in the hole with the crown level with the soil surface. Backfill gently and firm to remove air pockets.
Watering After Planting: Water thoroughly to settle the soil around the roots and encourage establishment.
Watering Requirements
Growing Season: Keep the soil evenly moist to support tall stems and abundant flower spikes of Delphinium ‘Astolat’. Avoid overwatering to prevent root issues.
Dormant Season: Water sparingly during dormancy, only when the soil becomes excessively dry.
Feeding
Spring: Apply a balanced fertiliser to give Delphinium ‘Astolat’ a strong start to the growing season, supporting healthy growth and vibrant blooms.
Mid-Summer: Feed again during flowering to extend bloom duration and maintain plant vigour.
Pruning
Deadheading: Remove spent flowers regularly to encourage further blooms and keep the plant tidy.
Autumn Pruning: After flowering, cut Delphinium ‘Astolat’ back to ground level to prepare for winter dormancy and ensure healthy regrowth.
Mulching
Spring: Apply mulch around the base to conserve moisture, suppress weeds, and regulate soil temperature.
Winter: After pruning, add a thicker mulch to protect the crown and ensure the plant returns strong the following season.
Supporting the Plant
Staking: Tall flower spikes of Delphinium ‘Astolat’ benefit from staking to prevent bending or breaking. Install supports early in the season.
Final Tips
Delphinium ‘Astolat’ is a hardy, bee-friendly perennial that produces elegant lilac-pink flower spikes, adding height and beauty to any border. With full sun, fertile soil, consistent watering, and proper staking, Delphinium ‘Astolat’ will reward your garden with stunning blooms from May to July. Perfect for mixed perennial or cottage-style borders, it is a standout addition that enhances the summer garden display.
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