Cotoneaster integerrimus
SPECIMEN · FROM THE LIBRARY
Cotoneaster integerrimus

Cotoneaster Integerrimus

ON THIS PLANT

Cotoneaster integerrimus, the common cotoneaster, is a species of Cotoneaster native to central and eastern Europe and southwest Asia, from southern Belgium and eastern France south to Italy, and east through Germany to the Balkans, northern Turkey, the Crimea, the Caucasus and northern Iran; plants in Spain may also belong in this species. In the past, it was treated in a wider sense, including plants from Wales now split off as Cotoneaster cambricus and plants from Scandinavia now treated as Cotoneaster scandinavicus, but differs from these in genetic profile and detail of foliage and fruit.It is a deciduous shrub growing to 2 metres (6 ft 7 in) tall. The leaves are oval to oval-acute, 1–4 centimetres (0.39–1.57 in) long, green and thinly pubescent above at first, later glabrous, and densely pubescent below and on the leaf margin, with pale grey hairs. The flowers are produced in corymbs of one to four (occasionally up to seven) together in mid spring, each flower 3 millimetres (0.12 in) diameter, with five white to pale pink petals. The fruit is a dark red pome 6–8 millimetres (0.24–0.31 in) diameter, containing two or three seeds. It occurs on limestone soils, at altitudes of up to 2,800 metres (9,200 ft) altitude.

A note from PlantMom

Common cotoneaster shows good resistance to disease and is usually not prone to illnesses. In terms of maintenance, this plant is fairly low-maintenance. When planted outdoors it needs only minimal watering, and larger plants typically do not require pruning. Smaller plants, however, should be pruned after they have finished blooming. Common cotoneaster is suitable for anyone with an outdoor space, such as a garden or a deck, and does not demand extensive care experience.

— PlantMom
CARE GUIDE

How to keep Cotoneaster Integerrimus.

Light

The common cotoneaster does well in locations where sunlight is not completely unimpeded; settings with filtered light are beneficial. Still, it can withstand situations where sunlight is entirely unobstructed. Its native environment involves varied light conditions, indicating adaptability in its sunlight needs. Excessive exposure can cause scalding, while inadequate exposure may hinder successful growth.

Water

The common cotoneaster flourishes on rocky hillsides and in open woodlands, where it needs moderate moisture levels. To prevent waterlogging, water the plant every 1-2 weeks. This outdoor plant is well-suited for temperate climates and can endure dry spells, making it ideal for regions with irregular rainfall.

Temperature

The common cotoneaster does best in a temperate climate, preferring temperatures from 41 to 89.6℉ (5 to 32℃). In summer it can withstand higher heat, but adequate watering is necessary. In winter, if temperatures fall below 23℉ (-5℃), additional mulching or other protection may be needed.

Fertilizer

Fertilize your Common cotoneaster in early spring to encourage healthy growth. Regular fertilization improves overall health, leading to vigorous growth, increased resilience to harsh conditions, and enhanced resistance to diseases and pests. Keep a consistent fertilization schedule for your Common cotoneaster to preserve foliage that is vibrant, richly colored, and lush.

Pruning

The common cotoneaster is a deciduous shrub known for its dense branches and vibrant berries. To shape the shrub and encourage growth, it's best to prune it in early spring. However, avoid heavy pruning to ensure it continues producing berries. Thinning out overcrowded branches will improve air circulation, resulting in a healthier and more attractive plant.

Pot & Repot

When repotting Common cotoneaster, select a pot 1–2 inches (2.5–5.1 cm) larger that offers good drainage. Use a well-draining potting mix. Repot in spring or fall, making sure the root ball sits slightly below the rim of the flower pot. Water thoroughly after repotting and place in a warm spot with indirect sunlight.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Cotoneaster
Family
Rosaceae
Hardiness Zone
4-7
Mature Height
2.13 m
Mature Spread
1.22 m to 2.44 m
Leaf Color
Green, Blue, Gray
Leaf Type
Deciduous
Flower Color
White, Pink
Flower Size
0.25 cm
Bloom Time
Late spring, Early summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Mid summer, Late summer
Native Area
Turkey, Austria, Czech Republic, Slovakia, Montenegro, Bulgaria, Poland, Greece, Croatia, Slovenia, Ukraine, Serbia, Russia, Hungary, Germany, Italy, Spain, Switzerland, Estonia, France, Iran, Albania, United Kingdom, Romania, Latvia, Netherlands
ALSO KNOWN AS

Other names.

en Common cotoneaster en Cotoneaster en European Cotoneaster en Great Orme Berry en Wild Cotoneaster
FREQUENTLY ASKED

Reader questions.

What's the best way to water my Common cotoneaster?

To ensure excellent root development, consider using a garden hose at the base of your plants. It is important to avoid spraying the leaves directly. If your plants are outdoors and exposed to direct sunlight, their leaves may require more water. To moisten the roots, you can use bubblers for each plant or soaker hoses that cover the entire garden or bed. When adding or removing plants, it is beneficial to use soaker hoses to help the roots grow deeply. After watering, make sure to drain any excess water and allow the soil to dry before watering again. To prevent diseases, it is best to water at ground level. On a sunny day, it can be helpful to spray the entire bush with water. Whether your plants are potted or in the ground, please remember that Common cotoneaster prefers deep watering over light sprinkling.

Why is it important to add fertilizer to my Common cotoneaster plant?

Regular fertilization is important for all types of Common cotoneaster to ensure optimal health. Providing the right nutrients leads to stronger growth and better resilience against difficult conditions, as well as improved ability to combat diseases and pests. Maintaining the attractive foliage of your Common cotoneaster requires a consistent fertilization schedule tailored to its specific needs. This will result in deep-colored leaves and an overall lush appearance.

What are the sunlight requirements for Common Cotoneaster?

Common Cotoneaster requires varying amounts of sunlight to thrive successfully. It can tolerate partial sun, which is about 3-6 hours of sunlight per day, and also flourishes in full sun, which is defined as receiving more than 6 hours of sunlight daily. The plant’s ability to adapt to these conditions speaks to its versatility, originating from habitats with varied light exposure. It's essential to observe the changing sunlight patterns in your garden to find the ideal locations that offer a perfect balance between light and shade, ensuring the well-being of your plants.

What is the preferred climate for common cotoneaster?

Common cotoneaster, or Cotoneaster integerrimus, thrives in temperate climates. It prefers a temperature range of 41 to 89.6°F (5 to 32°C). Though it can handle higher temperatures during summer with adequate watering, additional care such as mulching or protection is needed if winter temperatures fall below 23°F (-5°C). It's notably cold-tolerant, not requiring specific frost protection measures, but it benefits from generous watering before the first autumn freeze to maintain soil moisture through winter and early spring.

What should I do if I give Common cotoneaster too much water or not enough water?

A Common cotoneaster that is overwatered will exhibit signs such as yellowing, dropping, and wilting of leaves. The plant may also look unhealthy with mushy stems. In such cases, adjusting your watering schedule is advisable. Conversely, wilting can also be a sign of under watering, with leaves turning crispy and dry. When the soil is dry, simply watering it may not be sufficient, so a thorough watering is necessary. After recovering, the plant may still have dry and yellow leaves due to root damage. Regularly check the moisture levels of the potted plant indoors and avoid overwatering. Look out for black spots, and if present, allow the soil to dry out for a few days before watering again. Overwatering can cause root rot, in which case transferring the plant to a different pot is recommended, especially if you observe discolored and slimy roots. Preventing root rot by avoiding excessively soggy soil is crucial. When planting a Common cotoneaster outdoors, ensure the soil is adequately moist. If the soil feels too dry, it may be a sign of underwatering, and providing sufficient water will aid in its recovery.

When should I fertilize my Common cotoneaster plant?

To keep your Common cotoneaster healthy, fertilize it in late winter or early spring. This will give it the nutrients it needs for strong growth when the weather warms up. If you live in a warm climate, it's also beneficial to fertilize again in early fall. This provides additional nutrients for the following growing season and helps the cotoneaster tolerate winter cold without leaf damage. Fertilizing earlier in the season ensures that new branches have enough time to grow and withstand the cold.

Can Common Cotoneaster grow in artificial lighting?

Yes, Common Cotoneaster can grow under artificial lighting, which becomes particularly important in environments where natural sunlight is insufficient, such as during winter or in less sun-exposed areas. Adequate artificial lighting can promote faster and healthier growth. LED lights are recommended for their ability to provide specific wavelengths needed by plants. Full sun plants, including Common Cotoneaster, require 30-50W/sq ft of light, while partial sun plants need 20-30W/sq ft. The light source should be placed 12-36 inches above the plant to mimic natural sunlight, and the duration should be equivalent to the plant's natural daylight needs, usually between 8-12 hours per day.

How does low temperature affect common cotoneaster and what are the solutions?

While common cotoneaster is remarkably cold-tolerant, it's important to ensure winter temperatures stay above -30°C to prevent damage. Should temperatures dip below this, you might not notice immediate changes during the winter. However, in spring, the branches can become brittle and dry, failing to produce new shoots. The solution for these symptoms includes pruning any dead branches to encourage the growth of new leaves.

How frequently do I need to water my Common cotoneaster?

The Common cotoneaster prefers deep and infrequent watering. To ensure the soil doesn't dry out too quickly in pots, it's recommended to soak them in a gallon of water each time. In cold regions, watering is needed every 3 to 5 days. It's best to water in the morning when the soil is dry, both indoors and outdoors. Check the soil to determine if watering is necessary - if the top 2-3 inches are dry, it's time for a full watering. On hot days, monitor the soil moisture daily as it can dry out quickly. For gardens, irrigation is important, especially in hot climates where watering once a week is advisable. Only water when the soil becomes too dry, typically 2 to 3 inches deep. Take into account rainfall and avoid overwatering to prevent root rot. Common cotoneaster grows mainly in spring and fall, so adding mulch 3 to 4 inches deep outdoors can help conserve water. Sandy soil requires more frequent watering due to its faster drainage, while clay soil needs less frequent watering to prevent root rot. Keep track of watering dates and pay attention to drooping leaves as an indication of needing water.

When is the best time to not add fertilizer to my Common cotoneaster plant?

There are certain times of the year when you should avoid fertilizing your Common cotoneaster. The first is during the winter months when the plant is dormant and does not require feeding. It is also not advisable to fertilize the plant in late spring and summer, as the weather is hotter and drier, which can have a negative impact on the plant's response to fertilization. To prevent any issues, it is recommended to follow a fertilization schedule that includes feeding only in early spring and early fall.

What are the symptoms of light deficiency in Common Cotoneaster?

Symptoms of light deficiency in Common Cotoneaster include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or halted new growth, and signs of weaker overall plant health. New leaves may appear lighter in color or show signs of chlorosis, where they lose their green color, turning yellow due to a lack of chlorophyll. Additional symptoms can include sunscald, characterized by damaged areas on leaves or stems from excessive sunlight, leaf curling as a protective response to minimize sun exposure, wilting from rapid water loss, and leaf scorching indicated by dry, brown edges on leaves. These symptoms suggest the plant is not receiving its ideal light conditions, either too little or too much.

What should you do if common cotoneaster experiences high temperatures?

Common cotoneaster struggles with high temperatures, particularly those exceeding 32°C, which can lead to significant leaf drop and, in severe cases, the death of the plant. If such temperatures occur, it's advisable to trim away sunburned and dried parts of the plant, relocate it to a shaded area or employ a shade cloth to protect it from the midday and afternoon sun. Additionally, watering the plant in the morning and evening will help keep the soil moist and aid in its survival through the heat.

PLATES
Cotoneaster integerrimus leaf
PLATE 01 · leaf
Cotoneaster integerrimus leaf
PLATE 02 · leaf
Cotoneaster integerrimus flower
PLATE 03 · flower
Cotoneaster integerrimus flower
PLATE 04 · flower
Cotoneaster integerrimus fruit
PLATE 05 · fruit
Cotoneaster integerrimus fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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