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Gardening with Lavenders

By David Salman, High Country Gardens (asalmanMarch 27, 2012
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Lavender thrives in hot weather and grows well in a wide range of soils, as long as they are well drained. Learn how to plant, prune, and feed lavender plants.

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(Editor's Note: This article was originally published on March 12, 2007. Your comments are welcome, but please be aware that authors of previously published articles may not be able to respond to your questions.)

The genus Lavandula is a favorite group of ornamental herbs native to southern Europe and the Mediterranean. These sun-loving plants thrive in hot weather and grow well in the West in a wide range of soils, even compost-enriched garden loams, as long as they are well drained. Heavy, poorly-drained clay soils can be fatal. Lavender plants will be taller and wider in mild winter, hot summer climates. The same varieties when grown in cold (zone 5-6) winter climates tend to be more compact. Lavender plants require two-to-three growing seasons to reach mature size.

Lavenders are rabbit and deer resistant.

Pruning established plants

In spring as needed. When plants begin to show signs of new growth, cut back the old stems by no more than a third to re-invigorate the plant and encourage more flowers. Harvesting the flowers each year helps maintain plant vigor.

Fertilizing

Top-dress with Yum Yum Mix and Planters II once a year in mid-to-late fall or mid-spring (as the plants begin to show new growth).

Planting Tips

Lavender must be planted in full-sun locations with good air circulation and fast-draining, alkaline soil. Sandy and sandy-loams are a “must” in the eastern US and Midwest! Lavender will tolerate clay and clay-loam in dry climates.
  • Ample coarse-textured compost can be added at planting time to “open-up” heavier soils. Add lime in acidic soils. In wetter climates, plant on a slope or in raised bed to facilitate faster drainage.
  • Two inches of very coarse sand or small diameter gravel around the base of the plant keep the crown drier and promotes healthy plants in all climates.
  • Water deeply but infrequently after their 2nd growing season. Take care not to over-water established plants.

Cold-Hardy Lavender Varieties

English types: Lavandula angustifolia cultivars are among the most cold-hardy, and they bloom in late spring. They have compact flowering spikes on short-to-medium stems. ‘Hidcote Superior’, ‘Royal Velvet’ and ‘Mitcham Gray’ have the darkest flowers. ‘Graves’ is valued for its fragrant, long-stemmed flowers. ‘Buena Vista’ blooms twice, in spring and fall. Reports from the Denver area indicate that Lavandula angustifolia 'Nana' is an exceptionally cold hardy cultivar.

Lavandin (French hybrid) types: Lavandin or Lavandula x intermedia cultivars (hybrids between English lavender and L. latifolia) are among the tallest growers with elongated flowering spikes on long stems. ‘Provence’ and ‘Hidcote Giant’ are deliciously aromatic and are used for oil production and sachets. ‘Grosso’ is one of the best for use in crafts and as a dried flower.

Other hybrids: ‘Silver Frost’ has incredible silver foliage and a powerful fragrance. ‘English’ is compact and very fragrant. Both are exceptionally heat tolerant in low- humidity areas.

Culinary use: Lavandin has become popular as an herb for cooking. ‘Provence’ is an excellent variety for this use.


  About David Salman, High Country Gardens  
David Salman, High Country Gardens David Salman is a 1979 graduate of Colorado State University with a degree in Horticultural Science. He started Santa Fe Greenhouses, a retail greenhouse and nursery in Santa Fe, NM in 1984 and the High Country Gardens mail order catalog in 1993. Through many years of hands-on experience, David has acquired expertise in a wide range of horticultural endeavors. These include all aspects of greenhouse production, perennial propagation, commercial tree farming as well as regionally appropriate landscape design, installation and maintenance for the Intermountain West. David spends his time running the business in addition to writing and producing the High Country Gardens catalog. He also devotes considerable effort searching for and evaluating the garden performance of new and interesting plants. He places special emphasis on native species from the US and northern Mexico, as well as cold hardy, xeric species from western Asia, China and South Africa.

High Country Gardens specializes in waterwise ("xeric") perennials and other plants that need very little or no extra water once established. We have spent years offering and developing unusual garden-tested perennials, cacti, succulents, grasses, and shrubs that ship right from our greenhouses to your landscape. The fragrant and colorful blossoms and foliage on many of our flowering xeriscape plants, such as Lavender, Penstemon, and Agastache, attract hummingbirds and butterflies.

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Discussion about this article:
SubjectTopic StarterRepliesViewsLast Post
altering the soil for lavender steadycam3 4 35 Mar 31, 2013 8:38 PM
No mention of Spanish lavender? disney4 0 14 Apr 2, 2012 7:53 AM
lavender farming aulani61 0 15 Apr 2, 2012 5:03 AM
Plants that Heal-Aloe,Lavendar & Stevia dbsgarden 1 57 Jul 13, 2010 8:11 AM
article fireant13 8 108 Jul 6, 2008 11:16 PM
replanting a french lavender??? thezombieyoda 0 57 Jan 11, 2008 11:43 PM
Candymint Crabapple/No Fruit yomclipper 0 20 Mar 7, 2007 11:53 AM
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