Overview of Antennaria neglecta Greene var. howellii
Antennaria neglecta Greene var. howellii, also known as Howell's pussytoes, is a plant species belonging to the daisy family, Asteraceae. It is a perennial herb that is native to the western United States and Canada. The plant can be found growing on open and rocky slopes, slopes and cliffs in coniferous, subalpine, and alpine zones, and volcanic ash substrate.
Appearance of Antennaria neglecta Greene var. howellii
The plant is characterized by a basal rosette of leaves and a tall, hairy stem that can reach up to 35 cm. The leaves are narrow, linear-lanceolate, and greyish-green in color, with a woolly texture on the underside. The plant produces small white or pinkish flowers, which are arranged in compact, dome-shaped clusters, and bloom from June to August.
Common Names of Antennaria neglecta Greene var. howellii
Antennaria neglecta Greene var. howellii is commonly known as Howell's pussytoes, mountain everlasting, red alpine pussytoes, and alpine pussytoes.
Uses of Antennaria neglecta Greene var. howellii
The plant has several medicinal uses, particularly among Native American tribes. They have used it as a pain reliever and for treating fevers and respiratory ailments. The plant is also used to make a tea to help with stomach problems and heartburn. Additionally, the plant has ornamental value, and it is often grown in gardens and landscapes for its unique and attractive appearance.
Light Requirements
Antennaria neglecta var. howellii prefers full to partial sun exposure. It can tolerate some shade, but excessive shade can cause the plant to weaken and become leggy. It is also sensitive to high levels of ultraviolet radiation, so it is best to avoid exposing it to direct sunlight during the hottest parts of the day.
Temperature Requirements
A. neglecta var. howellii is a hardy species that can withstand a wide range of temperatures. It can grow in USDA hardiness zones 2 through 9, which corresponds to temperature ranges from -50°F to 20°F in the winter and up to 90°F in the summer. However, it prefers cooler climates and may struggle in areas with consistently high temperatures.
Soil Requirements
A. neglecta var. howellii prefers well-draining soils that are slightly acidic to neutral (pH 6.0-7.5). It can grow in a variety of soil types, including loamy, sandy, and gravelly soils, but it does not tolerate heavy clay soils or soils that are excessively dry or wet. Adequate moisture is important for its growth, but it can also tolerate some drought once established.
Cultivation Methods
The plant Antennaria neglecta Greene var. howellii (Greene) Cronq. is commonly known as Howell's pussytoes. This plant is a low-growing perennial that is ideal for rock gardens, borders, and ground covers. It prefers full sun but can tolerate partial shade in hotter climates. When selecting a site for planting, ensure that the soil is well-draining and fertile. The best practices for cultivating this plant are by sowing seeds in early spring or by rooting stem cuttings in late summer.
Watering Needs
Antennaria neglecta Greene var. howellii (Greene) Cronq. prefers to be grown in moderately moist soil. However, it can tolerate drought conditions. During the summer, it is recommended to water the plant once a week, ensuring that the soil does not become waterlogged. In cooler months, watering can be done less frequently, especially if the soil has retained moisture from winter rains.
Fertilization
This plant is not a heavy feeder and does not require regular fertilization. It is recommended to amend the soil prior to planting with organic matter to increase soil fertility. An annual application of a balanced fertilizer, such as a 10-10-10 or 20-20-20, can be done at the onset of the growing season (spring) to promote healthy growth.
Pruning
Antennaria neglecta Greene var. howellii (Greene) Cronq. does not require regular pruning. However, it is recommended to remove any dead or diseased stems as they appear to prevent the spread of disease. The plant can be cut back by one-third to one-half of its height after flowering to promote bushier growth and ensure that it remains compact. This can be done in late summer or early fall.
Propagation Methods of Antennaria neglecta Greene var. howellii (Greene) Cronq.
Antennaria neglecta Greene var. howellii (Greene) Cronq., commonly known as Howell's pussytoes, is a herbaceous perennial plant that is native to western North America. Propagation of this plant can be accomplished through various methods.
Seed Propagation
Seed propagation is one of the best methods to propagate Antennaria neglecta Greene var. howellii. The seeds can be collected from mature flowers after they have dried on the plant. Once the seeds are collected, they can be stored in a dry and cool place until the fall to ensure they go through a stratification process. The seeds must be sown in the fall to mimic the natural germination process. It can take about two weeks to several months for the seeds to germinate. Once germinated, the seedlings can be transplanted into their permanent location in the garden or propagated further before transplanting.
Division
Division is another effective method for propagating Antennaria neglecta Greene var. howellii. The plant should be divided during its dormant period, which is in the early spring. Carefully dig out the entire plant and divide it into several smaller sections. Each section should have some roots attached to ensure it will grow successfully. The divided plants can then be transplanted in the desired location with proper care.
Cutting Propagation
A cutting is a small piece of a plant that is removed and grown into a new plant. Cutting propagation is a fast and straightforward method to propagate Antennaria neglecta Greene var. howellii. A stem cutting that is at least 4 inches long should be taken from the parent plant, preferably in the early summer. The lower leaves should be removed, and the cutting can be dipped in rooting hormone powder to improve the chances of rooting. The cutting should then be planted in well-draining soil and kept moist but never allowed to dry out. After 2-3 weeks, small roots can be seen from the cutting's bottom. The new plant can be transplanted in the garden or propagated further in a pot.
Disease Management
Antennaria neglecta Greene var. howellii (Greene) Cronq., commonly known as Howell's pussytoes, is a relatively hardy plant that is not typically affected by many diseases. However, here are some possible diseases that may impact this plant:
1. Powdery Mildew
Powdery mildew is caused by a fungal infection that creates a white, powdery-looking substance on the leaves. While it does not usually kill the plant, it can weaken it, making it more susceptible to other diseases.
To manage powdery mildew, avoid overhead watering and keep the area around the plant free of debris. You can also apply a fungicide that is safe for use with this plant.
2. Leaf Spot
Leaf spot is caused by a bacterial or fungal infection that creates brown or black spots on the leaves. Severe cases of leaf spot can defoliate a plant and reduce its vigor.
To manage leaf spot, remove infected leaves and avoid watering the leaves of the plant. Maintain good air circulation around the plant and apply a fungicide if necessary.
Pest Management
Antennaria neglecta Greene var. howellii is not typically affected by many pests, but here are some possible pests that may impact this plant:
1. Aphids
Aphids are small, soft-bodied insects that feed on plant sap. They can weaken a plant and cause it to become stunted.
To manage aphids, spray the plant with a strong stream of water to wash them off. You can also introduce natural predators, such as ladybugs, or apply an insecticide that is safe for use with this plant.
2. Spider Mites
Spider mites are tiny mites that feed on plant sap. They can cause yellowing and distortion of leaves, and can weaken a plant if left untreated.
To manage spider mites, spray the plant with water to increase humidity and remove dust from the leaves. You can also apply a miticide that is safe for use with this plant.
