Origin and Common Names
Achillea millefolium L. var. parvula Boivin, commonly known as small yarrow, is a member of the Asteraceae family. It is a herbaceous perennial plant that is native to North America, specifically in the Pacific Northwest and Western United States.
Appearance
The plant has a straight stem that can grow up to a height of 20-40 cm. The stem is covered with small leaves that are finely divided, and the plant itself has a bushy appearance. The flowers of the plant are small, flat-topped clusters that resemble umbrellas. The flowers are most often white, but they may also be pink or yellow.
Uses
The small yarrow plant has been used for thousands of years for medicinal purposes. The leaves and flowers are used for digestive issues, fever, and other ailments. It is believed that the plant possesses anti-inflammatory, anti-spasmodic, and diuretic properties. The plant is also used as an astringent and as an antiseptic to clean wounds. In addition, small yarrow is used as a seasoning in teas and in salads. This plant is also used in ornamental gardens because of its lovely appearance and the fact that it is drought tolerant.
In conclusion, Achillea millefolium L. var. parvula Boivin is a beautiful and useful plant that serves numerous purposes. From its medicinal uses to its role in ornamental gardens, small yarrow is a gem of a plant.Light Requirements
Achillea millefolium L. var. parvula Boivin is a sun-loving plant and grows best in full sunlight or partial shade. It needs at least 6 hours of sunlight per day to develop properly.
Temperature Requirements
The plant can tolerate a wide range of temperatures, but the optimal temperature for its growth is between 15°C and 25°C (59°F–77°F). It can withstand both freezing and hot temperatures and is suitable for planting in temperate regions.
Soil Requirements
Achillea millefolium L. var. parvula Boivin can grow in a variety of soil types. However, the soil must be well-drained, rich in organic matter, and have a neutral pH level between 6.0 and 7.8. It prefers a sandy, loamy soil texture. Avoid planting in clay soils or areas with poor drainage as this can cause the plant's roots to rot.
Cultivation
When cultivating Achillea millefolium L. var. parvula Boivin, it is best to start by selecting a location with well-drained soil, adequate sunlight, and good air circulation. The plant grows well in a wide range of temperatures and soil types, but it prefers alkaline soils.
To plant, prepare the soil by digging to a depth of six inches and spraying with a water-soluble fertilizer. Add compost to the soil to improve the texture and nutrient content. Plant the Achillea millefolium L. var. parvula Boivin in rows that are spaced at least eight inches apart.
Watering Needs
Achillea millefolium L. var. parvula Boivin requires regular watering during the growing season. The plant thrives best in well-drained soil, so avoid overwatering as it may cause root damage. In general, water the plant twice a week when the soil seems dry to the touch, or when the leaves begin to wilt.
Fertilization
To ensure optimal growth, fertilize Achillea millefolium L. var. parvula Boivin at the beginning of the growing season with an all-purpose fertilizer. Alternatively, you may apply organic fertilizers such as compost and manure, which will gradually release nutrients into the soil. Apply a thin layer of fertilizer or compost around the base of the plant, taking care not to overcrowd the stem.
Pruning
Prune Achillea millefolium L. var. parvula Boivin after flowering to promote bushier growth and to prevent self-seeding. Use a sharp pair of pruning shears to trim off dead or spent flowers, taking care not to remove the entire stem. Cut back the stem at least one-third of its height to encourage the production of new leaves and flowers. Deadhead frequently to prolong blooming.
Propagation of Achillea millefolium L. var. parvula Boivin
Achillea millefolium L. var. parvula Boivin, commonly known as the western yarrow, is a plant that belongs to the Asteraceae family. This is a hardy, perennial plant that can tolerate various growing conditions. It can thrive in full sun to partial shade, in well-draining soil, and is resistant to many pests and diseases. It can be propagated by several methods, including:
Seed Propagation
The easiest and most common way to propagate Achillea millefolium L. var. parvula Boivin is by seed. Seeds can be collected from mature plants after flowering. The collected seed should be cleaned, dried, and stored in a cool, dry place until ready for use. To start seeds, scatter them on top of soil and lightly press them into the soil. Keep the soil moist and at room temperature. After about two weeks, seedlings will start to emerge.
Division
Achillea millefolium L. var. parvula Boivin can also be propagated through division. This method involves digging up a mature plant and dividing the crown into several smaller pieces. Each piece should have some roots and shoots. This should be done in the early spring or late fall. After division, replant the smaller sections into prepared soil and water them thoroughly.
Cuttings
Cuttings are another way to propagate Achillea millefolium L. var. parvula Boivin. This involves taking a stem cutting from a mature plant in the spring or summer. Cuttings should be taken from softwood, which is the new growth that is just starting to harden. The cutting should be about 6 inches long, cut with sharp, clean scissors, and dipped in rooting hormone. After that, plant the cutting in well-draining soil and keep it moist until roots form.
Overall, Achillea millefolium L. var. parvula Boivin is an easy plant to propagate. Whether starting from seed, dividing a mature plant, or taking stem cuttings, this long-lived perennial plant is sure to bring beauty and interest to any garden.
Disease and Pest Management for Achillea millefolium L. var. parvula Boivin
Achillea millefolium L. var. parvula Boivin, commonly known as yarrow, is an herbaceous perennial plant that is commonly grown in gardens and landscapes. While it is a generally hardy plant, it can still be vulnerable to certain diseases and pests. Here are some common issues that may affect your yarrow, as well as ways to manage them.
Diseases
One of the most common diseases that affects yarrow is powdery mildew. This is a fungal infection that causes a white or grayish powdery coating on the leaves. To manage powdery mildew, it is best to prevent its occurrence by providing good air circulation around the plant, avoiding overhead watering, and removing any infected plant parts as soon as they are noticed. Fungicidal sprays may also be used, but it is important to read and follow the instructions carefully.
Root rot is another disease that can affect yarrow, particularly in wet or poorly-draining soil. To prevent root rot, ensure that the soil is well-draining and avoid overwatering. If root rot does occur, it is best to remove the affected plant and replace the soil before replanting.
Pests
One common pest that can affect yarrow is the aphid. These tiny insects can cause damage to the leaves and stems, and can also attract ants to the plant. To manage aphids, it is best to first try and remove them manually by spray them off with a strong stream of water. Insecticidal soaps and horticultural oils can also be effective in controlling aphids.
Spider mites are another pest that can be a problem for yarrow. They are tiny and often go unnoticed until the infestation is severe. Symptoms of spider mite infestation include yellowing or bronzing of the leaves, as well as the presence of fine webbing on the plant. To control spider mites, it is best to begin with a strong stream of water to knock them off the plant. Insecticidal soaps and horticultural oils can also be effective, as can predatory mites.
By following these tips and staying vigilant for signs of disease or pest infestation, you can help keep your yarrow healthy and beautiful.
