Origin and Common Names
Coreopsis stillmanii (Gray) Blake var. jonesii Sherff is a plant species that belongs to the Aster family. This species is native to the southwestern United States, specifically in the states of Utah, Nevada, and Arizona. It is commonly known as Jones' tickseed or Stillman's tickseed.
Uses
This plant has various uses, particularly in the horticultural industry. With its attractive and vibrant flowers, it makes an excellent addition to gardens and landscapes. The plant is also known to attract various pollinators, such as bees and butterflies, making it ideal for pollinator gardens. Additionally, the plant has medicinal properties and is used in traditional Native American medicine to treat various ailments, including inflammation, wounds, and fever.
General Appearance
Coreopsis stillmanii (Gray) Blake var. jonesii Sherff is a perennial herb that typically grows up to 50 cm in height. The plant has a woody taproot and usually has multiple branches. The leaves are small, lance-shaped, and arranged alternately along the stem. The flowers of the plant are bright yellow, with a diameter of about 3 cm. They bloom from late spring to early fall and are borne on long, slender stems. The plant prefers well-drained soil and grows well in areas with full sun exposure.
Overall, Coreopsis stillmanii (Gray) Blake var. jonesii Sherff is a beautiful and useful plant species that has become increasingly popular in the horticultural industry. Its attractive flowers and medicinal properties make it an ideal addition to gardens and landscapes, while its ability to attract pollinators makes it a valuable asset in establishing pollinator gardens.Growth Conditions for Coreopsis stillmanii var. jonesii
Coreopsis stillmanii var. jonesii is a type of perennial plant that belongs to the Asteraceae family. It is commonly known as Stillman's tickseed and is native to the southwestern United States, particularly in Arizona and New Mexico. To ensure optimal growth and health of this plant, it is important to take into consideration the following growth conditions:
Light Requirements
Coreopsis stillmanii var. jonesii thrives in areas with abundant sunlight. As such, it requires at least 6 hours of direct sunlight per day to grow and bloom properly. It is recommended to plant this type of tickseed in an area with full sun exposure, as it will not tolerate shady or partially shady areas.
Temperature Requirements
Coreopsis stillmanii var. jonesii is well-adapted to hot and dry environments. It thrives in temperatures ranging from 65-85°F (18-29°C). However, it can also tolerate temperatures as low as 30°F (-1°C) and as high as 110°F (43°C). It is important to note that this plant may require some shade during extremely hot summer months to avoid heat stress.
Soil Requirements
Coreopsis stillmanii var. jonesii requires well-draining soil to grow properly. It prefers neutral to slightly acidic soil with a pH range of 6.0-7.5. This type of tickseed can tolerate a variety of soils, including sandy, rocky, and clay soils, as long as they are well-drained. It is recommended to amend poor soils with organic matter to improve soil structure and fertility.
Overall, providing the appropriate growth conditions for Coreopsis stillmanii var. jonesii will help ensure a healthy and thriving plant. With proper care, this tickseed can bloom all summer long and add a beautiful pop of yellow to any garden or landscape.
Cultivation of Coreopsis Stillmanii (Gray) Blake var. Jonesii Sherff
Coreopsis Stillmanii (Gray) Blake var. Jonesii Sherff is a plant that thrives in full sun and well-drained soil. When planting, make sure to choose a spot that receives at least six hours of direct sunlight. The soil should be loose and well-draining. If necessary, amend the soil with organic matter to improve drainage.
It is important to plant Coreopsis Stillmanii (Gray) Blake var. Jonesii Sherff at the right time of year. They should be planted in the spring, after the last frost has passed in your area. This will give the plant the best chance of establishing itself before the heat of summer arrives.
Watering Needs of Coreopsis Stillmanii (Gray) Blake var. Jonesii Sherff
Coreopsis Stillmanii (Gray) Blake var. Jonesii Sherff requires regular watering, especially during the hot summer months. Water the plant deeply once a week, ensuring that the soil is moist down to its roots. However, be careful not to overwater the plant, as this may cause root rot. Mulching around the plant can help to retain moisture in the soil.
Fertilization of Coreopsis Stillmanii (Gray) Blake var. Jonesii Sherff
Fertilize Coreopsis Stillmanii (Gray) Blake var. Jonesii Sherff in the early spring with compost or a balanced fertilizer. You can also fertilize the plant in the fall, but avoid fertilizing in the hot summer months. Over-fertilization can lead to leggy growth and reduced flowering.
Pruning Coreopsis Stillmanii (Gray) Blake var. Jonesii Sherff
Coreopsis Stillmanii (Gray) Blake var. Jonesii Sherff does not require regular pruning. However, to encourage bushier growth and a more compact habit, you can pinch back the stems in the early spring. Deadheading spent blooms can also prolong blooming periods, although this is not necessary for the plant to thrive.
Propagation of Coreopsis stillmanii var. jonesii
Coreopsis stillmanii var. jonesii, commonly known as Stillman's tickseed, is a perennial plant native to rocky outcrops in the southwestern United States. It is appreciated by gardeners for its showy, yellow flowers that appear in the summer.
There are different methods to propagate Coreopsis stillmanii var. jonesii, including:
Seed propagation
One way to propagate Coreopsis stillmanii var. jonesii is by seed. The seeds need to be stratified before sowing, which means that they need to be subjected to cold and moist conditions for a certain period of time to break the dormancy. To stratify the seeds, mix them with a moist substrate, such as sand or vermiculite, and store them in the fridge for 4 to 6 weeks. After stratification, sow the seeds in a well-draining potting mixture and cover them with a thin layer of soil. Water gently and keep the soil moist until germination, which should occur within 2 to 3 weeks. Once the seedlings have emerged, provide them with bright light and good air circulation.
Division of the root ball
Another way to propagate Coreopsis stillmanii var. jonesii is by dividing the root ball. This method is particularly useful for mature plants that have grown too large for their container or garden space. To divide the plant, carefully remove it from its container or dig it out of the ground. Gently shake off the excess soil to expose the root ball. Use a sharp knife or pruning shears to separate the root ball into smaller sections, making sure that each section has at least one healthy shoot and a portion of the root system. Plant the sections in well-draining soil, water thoroughly, and keep them in a shaded area until they establish.
Cuttings
Coreopsis stillmanii var. jonesii can also be propagated from stem cuttings. This method works best with young, vigorous plants that have not yet bloomed. Take a 4- to 6-inch cutting that includes a leaf node and remove the lower leaves. Dip the base of the cutting in rooting hormone powder and stick it into a pot filled with moist potting mix. Cover the pot with a plastic bag to create a humid environment and place it in a bright, but indirect light. Keep the soil moist and the cutting should root within a few weeks.
Regardless of the propagation method, it is essential to provide Coreopsis stillmanii var. jonesii with well-draining soil, adequate water, and sufficient light to ensure successful growth.
Disease and Pest Management for Coreopsis stillmanii (Gray) Blake var. jonesii Sherff
Coreopsis stillmanii (Gray) Blake var. jonesii Sherff is generally a low-maintenance plant that can tolerate a range of conditions. However, like all plants, it is susceptible to some diseases and pests that can cause damage.
Common Diseases
Fungi and bacteria are the two main types of microorganisms responsible for causing diseases in plants. Coreopsis stillmanii (Gray) Blake var. jonesii Sherff is particularly prone to some fungal diseases.
One of the most common diseases is powdery mildew. It typically appears as white, powdery growth on the leaves. To manage powdery mildew, you can apply fungicides like neem oil, sulfur, or potassium bicarbonate. Adequate spacing of plants and pruning of infected leaves can also help in preventing the spread of the disease.
Anthrancnose is another fungal disease that attacks Coreopsis stillmanii (Gray) Blake var. jonesii Sherff. It can cause brown spots or blotches on the leaves. The disease can be managed by removing infected plant parts and avoiding overcrowding of plants. Fungicides can also be used as a last resort.
Common Pests
Several pests can cause damage to Coreopsis stillmanii (Gray) Blake var. jonesii Sherff. Some of the most common includes thrips, aphids and spider mites.
Thrips are tiny insects that can cause yellowing, curling, and distortion of the leaves and flowers. You can manage them by spraying insecticidal soap or neem oil on the affected plants. You can also encourage the presence of predatory insects like lacewings and ladybugs in the garden to naturally control thrips.
Aphids are small, soft-bodied insects that suck sap from leaves and stems. They cause yellowing of leaves and wilting of plants. You can manage them by spraying your plants with water or insecticidal soap. Ladybugs and lacewings can also feed on aphids, thereby preventing their spread.
Spider mites are tiny pests that can cause yellowing and browning of leaves. They spin webs on the underside of the leaves. You can manage them by spraying insecticidal soap or neem oil on the affected plants. Regularly spraying the leaves of your plants with water can also help prevent spider mite infestations.
Overall, preventive measures like proper spacing of plants, regular watering, and routine inspection of plants can go a long way in preventing diseases and pests from attacking Coreopsis stillmanii (Gray) Blake var. jonesii Sherff.
