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Buchanan's Native PlantsBuchanan's Native Plants

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        • Buchanan’s Native Plants has been serving Houston gardeners since 1986. Located in the historic Houston Heights, the garden center is dedicated to native plants and organic gardening.  You will find the best selections of hardy natives as well as perennials, herbs, vegetables, trees, shrubs & roses — all suited to the Houston climate.

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Home » Plant Library » Annuals » Aurora Blue Larkspur
Aurora Blue Larkspur | Delphinium 'Aurora Blue'

Aurora Blue Larkspur

Botanical name: Delphinium ‘Aurora Blue’

Magnificent display of compact flowers on towering spikes; irridescent mid-blue flowers glow with a violet sheen and bright white centers; good vertical form, dense flower spikes, strong stems; excellent uniformity.

  • Characteristics
  • Features and Attributes
  • Planting and Growing

Characteristics

Hardiness zone 3a
Flower color blue
Foliage type deciduous *
Plant form towering
Mature height 24 inches (4 feet with the flowers)
Spread 24 inches
Light requirements

full sun

Moisture requirements

average to moist

Plant origin hybrid

* deciduous = loses leaves in winter

Ornamental Features

Aurora Blue Larkspur features bold spikes of blue flowers with violet overtones and white eyes rising above the foliage from early to mid summer. The flowers are excellent for cutting. Its deeply cut lobed leaves remain dark green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Aurora Blue Larkspur is an herbaceous perennial with a rigidly upright and towering form. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

This plant will require occasional maintenance and upkeep, and should be cut back in late fall in preparation for winter. It is a good choice for attracting bees, butterflies and hummingbirds to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

Insects, Disease

Aurora Blue Larkspur is recommended for the following landscape applications;

Vertical Accent, Mass Planting, General Garden Use, Container Planting

Planting and Growing

Aurora Blue Larkspur will grow to be about 24 inches tall at maturity extending to 4 feet tall with the flowers, with a spread of 24 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 18 inches apart. It tends to be leggy, with a typical clearance of 1 foot from the ground, and should be underplanted with lower-growing perennials. The flower stalks can be weak and so it may require staking in exposed sites or excessively rich soils. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant should only be grown in full sunlight. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

Aurora Blue Larkspur is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

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Buchanan’s Native Plants
611 East 11th Street
Houston, Texas 77008

713-861-5702

Hours: 9 am – 6 pm
Open Every Day – Monday – Sunday

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