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Apr 25, 2023 · In conclusion, the most obvious features of a delphinium versus a larkspur are their size and shape. Delphiniums are taller, with long stems and five petals that come together in a cup shape. Larkspurs, on the other hand, are shorter and more spreading, with five petals that are arranged in a flat star shape.
Delphinium. Common name: Delphinium, larkspur, consolida. Perennial delphiniums are renowned for their rich colours and commanding presence. They flower in early summer and are perfect for beds and borders and make a glorious cut flower. Easy to grow annual delphiniums (consolida or larkspur) are smaller and will flower all summer.
- Where to Plant Delphinium
- When to Plant Delphinium
- How to Plant Delphinium
- Growing Delphinium from Seed
Sunlight: Delphinium requires full sun to part shade. It needs a minimum of six hours of sun a day. In hot climates, it benefits from afternoon shade.Soil: Delphinium prefers well-draining soil that is rich in organic matter.Water: Delphiniums need consistent moisture, especially during the growing season. However, they don’t like to be waterlogged, so make sure the soil drains well.Wind: Delphiniums benefit from shelter from strong winds, as their tall spikes can be easily damaged.The timing of planting delphinium depends on the climate and the type of delphinium being planted. In general, delphinium seeds should be sown in early spring as soon as the soil can be worked. In areas with mild climates, delphiniums can also be planted in the fall for spring bloom.
Choose a sheltered location: Delphiniums prefer a spot with full sun to partial shade and rich, well-drained soil with a pH of 6.5 to 7.5.Prepare the soil: Loosen the soil to a depth of 12 to 15 inches (30-37 cm) and amend it with organic matter, such as compost or aged manure. Delphinium is a heavy feeder, so the more compost you ad...Dig the hole: Dig a hole that is twice as wide and as deep as the delphinium plant’s root ball.Plant the delphinium: Place the plant in the hole, ensuring that the crown is level with the soil surface. Backfill the hole with soil, gently tamping it down around the plant.Delphiniums may be grown from seed, but this can be quite challenging. Seed should be started indoors early in the year, and those plants will flower the first year. If seeds are sown directly in the ground, those plants will not flower until the following year. 1. Sow the seeds indoorsabout 8 to 10 weeks before the last frost date in your area. Fi...
Apr 16, 2007 · Delphinium, or larkspur, derives its genus' name from the Greek word for "dolphin" and is suggested by the shape of a gland in the blossoms that secretes nectar. Many delphiniums are poisonous to cattle. Description of delphinium, larkspur: The alternate leaves are cut and divided. Plants produce tall spikes of showy flowers, usually in shades ...
- C. Colston Burrell
Jun 21, 2023 · Delphinium and Larkspur have similar growing requirements, but each has its specific needs. Delphinium thrives best in rich, well-drained soil with a pH between 6.5 and 7.0. It requires full sun to partial shade and needs to be protected from strong winds.
Sow the seed in pots or seed trays of moist seed sowing compost. Keep at a temperature of 10-15°C (50-60°F). When seedlings are large enough to handle, transplant individually into 7.5-9cm (3-3.5in) pots. Gradually harden off the plants before planting out after all fear of frost, 60-90cm (2-3ft) apart.
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Looks. Flowering throughout summer, annual delphiniums and larkspur have ferny leaves and upright spikes of pink, blue or white flowers, single or double. Plants can be up to 1.2m (4ft) high, but dwarf forms only reach 45cm (18in) so are good for the front of borders.
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