Fraxinus velutina, commonly known as the velvet ash, is a deciduous tree in the Oleaceae family. Native to southwestern North America, it thrives in habitats such as canyons, valleys, and foothills. The tree can grow up to 50 feet tall and spread up to 30 feet wide.
The leaves of Fraxinus velutina are compound, consisting of five to nine leaflets that are dark green on the top and lighter underneath. The bark is grayish-brown with deep furrows as it matures. In the spring, the tree produces small clusters of greenish-yellow flowers that develop into winged seeds by late summer.
Fraxinus velutina is valued for its ornamental and shade purposes due to its attractive foliage and bark texture. Additionally, its leaves possess medicinal properties and have been traditionally used to treat ailments such as fever and rheumatism.
The Velvet ash is a small deciduous tree native to the southwestern regions of North America. Its presence in desert areas usually indicates the existence of an underground water source. These trees are commonly planted along streets to provide shade in both residential and commercial areas. Additionally, they are admired for their beautiful fall foliage. FUN FACT · FROM THE LIBRARY
However, Fraxinus velutina faces significant threats from pests, particularly the emerald ash borer, which has caused extensive damage to ash tree populations in North America in recent years. Conservation efforts include planting resistant cultivars and using insecticides, but more research is needed to determine the most effective methods to protect this valuable species from extinction due to pests like the emerald ash borer, which pose a global threat.
Velvet Ash: This plant is characterized by its rough, grayish-brown bark that is deeply fissured. Its shoots have a velvety texture, which is why it is called velvet ash.
Velvet ash is highly resistant to disease and generally does not tend to get sick. As for care, this plant is fairly low-maintenance. When grown outdoors it needs only minimal watering, and larger specimens typically do not require pruning. Smaller plants, however, should be pruned after they finish blooming. Velvet ash is appropriate for anyone who has outdoor space, such as a garden or deck, and it does not demand extensive care experience.
How to keep Fraxinus Velutina.
Light
The velvet ash performs best when it receives a substantial amount of light for most of the day, though it can also tolerate spots with moderate light. Its native environment was naturally rich in sunlight. Insufficient light can impede growth, while excessive exposure may scorch the leaves.
Water
Velvet ash thrives in semi-arid environments due to its drought tolerance. It requires watering every one to two weeks, with the soil partially drying out between waterings. Often planted outdoors, velvet ash is an excellent choice for xeriscaping, contributing to water conservation in landscaping efforts.
Temperature
Velvet ash is a temperate woody species that prefers temperatures from 50 to 95 ℉ (10 to 35 ℃). In its native habitat it thrives where summers are warm and winters are mild. During summer, keep it out of excessive heat and ensure it has adequate moisture. In winter, protect it from frost by applying a layer of mulch.
Fertilizer
Fertilize your Velvet ash in early spring to encourage healthy growth. Regular feeding improves overall health, producing vigorous growth, better tolerance of harsh conditions, and increased resistance to pests and diseases. Keep to a specific fertilization schedule for your Velvet ash to maintain vibrant foliage with deep color and a lush appearance.
Pruning
The velvet ash tree is known for its soft, velvety leaves and requires annual pruning in early spring to thrive. The main techniques include removing dead branches and thinning the tree to improve air circulation. Pruning not only promotes healthy growth but also helps maintain the tree’s shape and lowers the risk of pests. For more detailed care instructions, consult horticultural guides.
Botanical profile.
- Plant Type
- Tree
- Life Cycle
- Perennial
- Genus
- Fraxinus
- Family
- Oleaceae
- Hardiness Zone
- 6-10
- Mature Height
- 10.06 m
- Mature Spread
- 9.14 m to 11.89 m
- Leaf Color
- Green, Yellow, Gray
- Leaf Type
- Deciduous
- Flower Color
- White, Green
- Flower Size
- 0.20 cm to 0.25 cm
- Bloom Time
- Mid spring, Late spring
- Planting Time
- Spring, Autumn
- Harvest Time
- Mid summer, Late summer
- Native Area
- Mexico
Other names.
Reader questions.
How should I water my Velvet ash tree?
To ensure excellent root development, place a garden hose at the base of the plant. Avoid spraying the leaves directly, as this may require more watering if the plant is outdoors and exposed to direct sunlight. Consider using bubblers or soaker hoses to moisten the roots, covering the entire garden or bed if necessary. After adding or removing plants, make sure to drain any excess water and allow the soil to dry before watering again. To prevent diseases, water at ground level. On a sunny day, you can spray the entire bush with water. Remember, whether potted or in-ground, Velvet ash prefers deep watering rather than light sprinkling.
Why should I put fertilizer on my Velvet ash tree?
No matter what type of Velvet ash you have, regular fertilization is crucial for promoting overall plant health. Providing the right nutrients ensures stronger growth and increased resilience against difficult growing conditions, pests, and diseases. The foliage of your Velvet ash plays a key role in its attractiveness, so it's important to maintain it. This involves following a specific fertilization schedule for your Velvet ash, which will result in deep-colored leaves and a lush appearance.
What are the sunlight requirements for Velvet Ash?
Velvet Ash needs significant light exposure for optimal growth, thriving in areas receiving full sun, defined as over 6 hours of sunlight, or partial sun, about 3-6 hours of sunlight daily. Observing how sunlight moves through your garden is crucial for choosing the best spots that provide a mix of light and shade, ensuring your plants grow happily and healthily.
What are the ideal growing conditions for Velvet Ash?
Velvet Ash, botanically known as Fraxinus velutina, flourishes in temperate climates with temperatures ranging from 50 to 95 °F (10 to 35 °C), enjoying a habitat with warm summers and mild winters. It's important to shield the plant from extreme heat during summer by ensuring it has ample moisture. In winter, despite its strong cold resistance, it's wise to protect it from frost by mulching. If temperatures are expected to dip below -25°C, additional cold protection is advisable by wrapping the trunk and branches with non-woven fabric or cloth. It's also recommended to water the plant generously before the first freeze of autumn to keep the soil moist, which helps to prevent drought and water scarcity during winter and early spring.
What do I do if I give Velvet ash tree too much or too little water?
If a Velvet ash is overwatered, it may develop yellow, wilting leaves that eventually fall off. The plant may look unhealthy and have mushy stems. It is important to adjust your watering schedule when you notice these signs. Wilting can also indicate under watering, in which case the leaves may become crispy and dry. When the soil is dry, simply adding water may not be enough - give the plant a thorough watering. Although sufficient water will help the Velvet ash recover, it may still have dry and yellow leaves due to damage to the root system. Once the plant returns to normal, the yellowing leaves will stop. When keeping a Velvet ash indoors, always check the moisture levels in the pot and avoid overwatering. Look for signs of black spots, and if present, allow the soil to dry out by reducing watering for a few days. Overwatering can lead to root rot, so it may be necessary to repot the plant if you observe discolored and slimy roots. Prevent root rot by avoiding excessively soggy soil. When planting a Velvet ash outdoors, make sure to check the soil moisture with your fingers. If it feels too dry, the plant may be underwatered, and adequate watering is necessary for recovery.
When should I put fertilizer on my Velvet ash tree?
To keep your Velvet ash healthy and promote growth, there are two optimal times to fertilize. The first is in late winter or early spring, providing the necessary nutrients for growth once temperatures rise. Additionally, if you live in a warm climate, it is beneficial to give your Velvet ash an extra feeding of fertilizer in early fall. This provides nutrients for the upcoming growing season and helps the tree withstand winter without foliage damage. Fertilizing early ensures that new branches have enough time to grow and withstand the cold winter temperatures.
Why is sunlight important for Velvet Ash, and how can artificial lighting be utilized?
Sunlight is crucial for Velvet Ash (Fraxinus velutina) because it originates from a naturally sunlight-rich habitat and requires considerable light most of the day, although it can adapt to moderate light exposures. Insufficient light may impair growth, whereas too much can cause leaf scorch. When natural sunlight is inadequate, especially during winter or in less sunny spaces, artificial lighting becomes essential. LED lights, recommended for their customizability, should provide 30-50W/sq ft for full sun plants, 20-30W/sq ft for partial sun plants, and 10-20W/sq ft for full shade plants. The light source should be placed 12-36 inches above the plant, imitating natural sunlight for 8-12 hours per day to promote healthier, more robust growth.
How does Velvet Ash react to low temperatures, and what are the solutions if damage occurs?
Velvet Ash is notably cold-tolerant, thriving best when temperatures remain above 10°C and needs to be kept above -15°C during winter. Despite its resilience, if temperatures plummet below -25°C, the branches might not show immediate damage during winter but can become brittle, dry, and fail to produce new shoots in spring. The solution to this issue is to prune away any dead branches that have not produced new leaves in the spring, revitalizing the tree for new growth.
How frequently should I water my Velvet ash tree?
The Velvet ash thrives with deep and infrequent watering. For potted plants, soak them in a gallon of water each time to account for their limited water storage. In cold regions, water every 3 to 5 days. Water in the morning when the soil is dry, indoors or outdoors. Check the top 2-3 inches of soil to determine when to water; if dry, give the plant a full watering. During hot days, check moisture daily to prevent the soil from drying out quickly. If you have a garden, irrigation is necessary. In hot climates, water once a week when 2 to 3 inches of soil is dry. Avoid overwatering to prevent root rot, considering the amount of rainfall received. For outdoor Velvet ash, add 3 to 4 inches of mulch to conserve water. Sandy soil requires more frequent watering, while clay soil necessitates less watering to avoid root rot. Mark watering dates on the calendar and be mindful of drooping leaves, indicating potential delay in watering.
When shouldn't I put fertilizer on my Velvet ash tree?
There are specific times of the year that you should avoid fertilizing your Velvet ash. One of these times is in the early and mid-winter months when the tree is dormant and does not require any feeding. Another time to avoid fertilizing is during the late spring and throughout the entire summer. During this period, the weather tends to be hotter and drier, increasing the chances of a negative reaction to fertilizer. To prevent any problems, it is best to stick to a fertilization schedule that only involves feeding in the early spring and early fall.
What are some common symptoms of light deficiency or overexposure in Velvet Ash?
When Velvet Ash doesn't receive enough light, it might show symptoms like smaller new leaves, leggy or sparse growth, faster leaf drop, slower or halted new growth, paler new leaves, indicating a lack of chlorophyll and essential nutrients. Overexposure can lead to chlorosis, where leaves turn yellow, sunscald with damaged tissues, leaf curling as a defense mechanism against water loss, wilting due to increased transpiration, and leaf scorching. Recognizing these signs early can help address light issues, improving plant health.
What should be done if Velvet Ash experiences high temperatures?
During the summer months, Velvet Ash should ideally be kept below 35°C. Exposing the plant to temperatures over 41°C can cause the leaves to lighten in color, dry out at the tips, and increase the risk of sunburn. To mitigate these issues, trim away the sunburned and dried-up parts, move the plant to a shaded area or create shade with a cloth during the intense midday and afternoon sun. Additionally, watering the plant in the morning and evening helps to maintain soil moisture and protect against heat stress.
