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Spanish Lavender

Spanish lavender bloom appeals to bees.

English lavender is likely the most common of this genus, with the most cultivars. French lavender is the primary culinary species. Spanish lavender, Lavandula stoechas, should likely be more popular than it is. All lavenders live for only a few years. Spanish lavender is more likely to self sow to replace itself, though. It can naturalize in favorable situations.

Spanish lavender is an evergreen shrub of irregular form, that grows as tall as three feet. Its finely textured foliage is grayish or drab green. Individual leaves are quite narrow and only about half an inch to an inch and a half long. Roots are not finicky about soil, but are likely to rot if irrigation is generous. Spanish lavender prefers warm and sunny exposure.

Bloom begins as soon as weather warms in spring and continues into summer. Sparsely sporadic bloom can continue until autumn. Dense floral spikes stand several inches over their foliage, on bare stems. They would not be very colorful if not for their few long upper bracts. Bloom is typically lavender, but may be bluish lavender, pink or very rarely white. It delights bees.

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Spanish Lavender

Spanish lavender blooms with bows on top.

It is neither as variable as the many varieties of English lavender, nor as traditional as French lavender, but Spanish lavender, Lavandula stoechas, has the most unusual flower spikes. These short plump spikes are less than two inches long, but are topped with one or two pairs of distended terminal bracts that are almost as long; like simple little packages with big ornate bows. The flower spikes get their color from densely set bracts that surround the minute flowers, and can be various shades of purple or purplish pink or even grayish white. The large terminal bracts are lighter shades of the same colors.

Bloom begins during warm spring weather and continues into summer. Flower may stay close to foliage on stems less than two inches long, or may stand more than six inches above the foliage. The aromatic grayish leaves are narrow and about an inch long.

Mature plants may be three feet wide, and nearly as tall. Aggressive shearing after bloom promotes secondary bloom later, and keeps plants compact. Without pruning, old plants eventually die out in the center.

All lavenders want good drainage and good exposure, but do not want mulch or fertilizer. Inadequate drainage, crowding or mulch can promote rot. Fertilizer can inhibit bloom. Once established, lavenders do not need much water. 

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Lavender Starflower

71101It is really an evergreen shrub with limber stems; but lavender starflower, Grewia caffra, can work almost like a rambling vine. It does not actually climb or grip anything. Like the canes of a climbing rose, it can be tied onto a trellis or fence as an espalier. As a free standing shrub, the arching stems should be pruned selectively. Shearing deprives them of their natural form, and inhibits bloom.

Espaliered plants can reach the eaves. Free standing shrubs have the potential to get as high and wide, but take more time. Alternatively, lavender starflower can be trained as a small patio tree. The leaves look like elm leaves, with the same sandy texture. The lavender star-shaped flowers are as wide as a quarter. They are not abundant, but they bloom as long as the weather is warm. Lavender starflower does as well with full sun as it does in partial shade.