Achillea ptarmica
Sneezewort
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Sneezewort (Achillea ptarmica) - Description
Achillea ptarmica (sneezewort, sneezeweed, bastard pellitory, European pellitory, fair-maid-of-France, goose tongue, sneezewort yarrow, wild pellitory, white tansy) is a species of herbaceous perennial flowering plant in the genus Achillea. It has loose clusters of white, button-like flowers that bloom from June to August. Its dark green leaves have finely toothed margins. The name ptarmica comes from the Greek word ptairo (=sneeze) and means 'causes sneezing'. Like many other plants, the sneezewort's pattern of development displays the Fibonacci sequence.
Sneezewort (Achillea ptarmica) - Blooming
Blooms generously through summer and early fall and are promoted by frequent deadheading. Taller species can be used for drying for Winter bouquets. Flower colors are generally yellow or white, but some species are pink and red. If flowers are cut off, the plant will regenerate flowers in about a month.
Sneezewort (Achillea ptarmica) - Growth
Yarrows germinate in 3 to 5 days, and the stem and cotyledons appear between days 5 and 7. Leaves are generally green/gray and have an aromatic smell especially when the leaves are crushed.
Sneezewort (Achillea ptarmica) - Planting
Can be grown from cuttings or seeds. Either way, plant in a disease-free medium with uniform moisture. Keep the pH between 5.5 and 5.8. Add a layer of vermiculite to aid in moisture retention.
Sneezewort (Achillea ptarmica) - Pest
Spittlebugs, aphids and scale can become problems. Also watch out for powdery mildew on the foliage, yarrow leaf rot and root rot.
Sneezewort (Achillea ptarmica) - Interesting facts
Yarrows are native to Europe and temperate areas of Asia. Achillea was first recorded in 1753 by Carl Linnaeus, a Swiss botanist and physician, who was the father of the binomial nomenclature, which is the formal system of naming specific species. Yarrows are relatively easy to grow, requiring only routine maintenance and can thrive even in poor soil/watering conditions. They are great in the garden or as cut flowers or even dried for winter arrangements.
Sneezewort (Achillea ptarmica) - Soil and irrigation
Once established, yarrows can withstand drought. However, ideally the medium should receive moderate irrigation and even moisture distribution throughout the soil. This is especially important while inducing germination.
