Euonymus verrucosus — an easy houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Euonymus verrucosus

Euonymus Verrucosus

Updated · 204 observations
ON THIS PLANT

Euonymus verrucosus is a species of flowering plant belonging to the family Celastraceae.Its native range is Central Europe to Central Japan.

A note from PlantMom

The rough-stemmed spindle shows good resistance to disease and is generally not prone to it. In terms of care, this plant is fairly low-maintenance. When grown outdoors it requires minimal watering, and larger plants typically do not need pruning. Smaller plants, however, should be pruned after they have finished blooming. The rough-stemmed spindle is suitable for anyone with an outdoor space, such as a garden or deck, and does not require much care experience.

— PlantMom
CARE GUIDE

How to keep Euonymus Verrucosus.

Light

Rough-stemmed spindle thrives in places with steady, plentiful sunlight for best health and growth. It can, however, tolerate areas with moderate light. Too much or too little sun can impede its development and diminish the plant’s vigor. Because it comes from regions with strong sun exposure, its needs mirror those conditions.

Water

The rough-stemmed spindle is adapted to drought conditions and requires moderate watering every 2 to 3 weeks. It's important to let the soil dry out between waterings. This plant prefers well-draining soil and can thrive both indoors and outdoors, demonstrating its versatility. Well-draining soil helps prevent root rot and supports healthy growth.

Temperature

The rough-stemmed spindle originates from temperate regions and needs milder temperatures of 41 to 95 °F (5 to 35 ℃) for optimal growth. Seasonally, it can tolerate slightly lower or higher temperatures.

Fertilizer

The timing of fertilization is critical for Rough-stemmed spindle. Apply fertilizer beginning in early spring and then once a month through early summer. Fertilizer encourages attractive blooms and supplies energy both during dormant and active growth phases.

Pruning

The rough-stemmed spindle is known for its textured branches and vibrant autumn foliage. To maintain its shape and health, prune the plant in early spring. Focus on thinning crowded branches to improve air circulation, which can promote a healthier growth environment. Light pruning encourages dense growth and enhances flowering. Make sure to clean your tools before use to prevent disease, which will also maximize the plant's vitality and aesthetic appeal.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Euonymus
Family
Celastraceae
Hardiness Zone
5-9
Mature Height
0.91 m to 3.96 m
Mature Spread
1.52 m to 2.13 m
Leaf Color
Dark Green, Olive Drab
Leaf Type
Deciduous
Flower Color
Purple, Brown
Flower Size
0.76 cm
Bloom Time
Mid spring, Late spring
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Early fall, Mid fall
Native Area
Turkey, Austria, Czech Republic, Slovakia, Romania, Montenegro, Bulgaria, Armenia, Poland, Greece, Croatia, Slovenia, Belarus, Ukraine, Serbia, Russia, China, Lithuania, Hungary, Japan, Koppen, Iran, Albania, Azerbaijan, South Korea, Latvia
ALSO KNOWN AS

Other names.

en Warted spindle en Rough-stemmed spindle en Warty-barked spindle
FREQUENTLY ASKED

Reader questions.

How should I water my Rough-stemmed spindle plant?

To promote excellent root development, place a garden hose at the plant base instead of directly spraying the leaves. If the leaves are outdoors and exposed to direct sunlight, they will need more watering. Consider using bubblers or soaker hoses to moisten the roots. When adding or removing plants, use soaker hoses that cover the entire garden or bed to ensure deep root penetration. After watering, drain any excess water and wait for the soil to dry before watering again. Watering at ground level is recommended to prevent diseases. On sunny days, it may be beneficial to spray the entire bush with water. Whether the plant is potted or in-ground, it's important to remember that the Rough-stemmed spindle prefers deep watering rather than light sprinkling.

Why should I put fertilizer on my Rough-stemmed spindle?

If you have a Rough-stemmed spindle plant, it's important to fertilize regularly to promote overall health. This will help the plant grow more vigorously and be more resilient to tough conditions, as well as better able to fight off diseases and pests. Protecting the attractive foliage of the Rough-stemmed spindle is crucial, so be sure to stick to a consistent fertilization schedule tailored to your specific plant. By doing this, you can expect your Rough-stemmed spindle to develop deep-colored leaves and look lush.

What are the sunlight requirements for Rough-stemmed spindle?

Rough-stemmed spindle (Euonymus verrucosus) thrives best in conditions with continuous, ample exposure to sunlight for optimal health and growth. It needs full sun, which is above 6 hours of direct sunlight a day, but can also tolerate partial sun, about 3-6 hours of sunlight a day. However, environments with either too much or too little sunlight can lead to hindered development and reduced vitality. The plant originates from habitats with robust solar exposure, so its needs mimic those conditions.

What are the ideal temperature conditions for growing Rough-stemmed Spindle?

Rough-stemmed spindle, botanically known as Euonymus verrucosus, thrives in temperate climates with milder temperatures ranging between 41 to 95 °F (5 to 35 °C) for optimal growth. It has strong cold resistance, allowing it to adjust seasonally to slightly lower or higher temperatures than its ideal range. However, it is crucial to provide cold protection if winter temperatures are expected to drop below -25°C by wrapping the trunk and branches with insulating materials. Additionally, watering the plant abundantly before the first freeze in autumn helps keep the soil moist, preventing drought and water scarcity during winter and early spring.

What should I do if I give too much or too little water to the Rough-stemmed spindle?

The Rough-stemmed spindle can have yellow, wilted leaves and mushy stems when overwatered. To address this, adjust your watering schedule and avoid overwatering. Wilting can also be a sign of under watering, with leaves becoming dry and crispy. When the soil is dry, give the plant a thorough watering. However, even with enough water, the Rough-stemmed spindle may still have yellow, dry leaves due to root damage. Once the plant recovers, the yellowing will stop. When growing the Rough-stemmed spindle indoors, always check the moisture levels in the pot and avoid overwatering. Look for black spots, and if present, allow the soil to dry out for a few days before watering again. Overwatering can cause root rot, so transfer the plant to a new pot if you see discolored and slimy roots. Take precautions to prevent root rot by avoiding overly soggy soil. If planting the Rough-stemmed spindle outdoors, dig deeper and check the soil moisture. If it is too dry, it may indicate underwatering. Make sure to provide adequate watering for the plant's recovery.

What is the ideal time to put fertilizer on my Rough-stemmed spindle plant?

To ensure healthy growth for your Rough-stemmed spindle, the first application of fertilizer should be done in late winter or early spring. This will provide the necessary nutrients for the plant to thrive once the weather warms up. If you live in a warm climate region, it is also beneficial to give your Rough-stemmed spindle an additional dose of fertilizer in early fall. This will supply extra nutrients for the following growing season and help the plant withstand winter cold without any damage to its foliage. By fertilizing earlier, you give the new branches ample time to grow and become more resilient to the harsh winter conditions.

What should I do if my Rough-stemmed spindle isn't getting enough natural sunlight?

If your Rough-stemmed spindle is not receiving enough natural sunlight, particularly in winter or less sunny spaces, artificial lighting can be a vital solution. For optimal growth, full sun plants require 30-50W per square foot of artificial light, partial sun plants need 20-30W per square foot, and full shade plants need 10-20W per square foot. LED lights are recommended because they can provide specific wavelengths needed by your plants. Position the light source 12-36 inches above the plant to mimic natural sunlight and ensure it receives 8-12 hours of light per day.

How should I care for my Rough-stemmed Spindle during very low temperatures?

The Rough-stemmed spindle is cold-tolerant and performs best when temperatures remain above 5°C. Should the temperatures drop below -20°C during winter, it's important to ensure they do not fall beneath -25°C. At such low temperatures, while the plant may not show immediate damage, come spring, the branches might turn brittle and dry, with no new shoots emerging. A solution to this is to prune any dead branches that have failed to produce new leaves in spring, helping to encourage new growth and vitality.

How frequently do I need to water my Rough-stemmed spindle?

The Rough-stemmed spindle prefers deep and infrequent watering. If you have them in pots, make sure to soak them in a gallon of water each time to account for the limited water storage and faster drying soil. In colder regions, water every 3 to 5 days, preferably in the morning when the soil is dry. Check the soil inside to determine if watering is necessary - when the top 2-3 inches are dry, it's time to water. Be mindful of hot days as they can quickly dry out the soil, so check moisture daily. For garden plants in hot climates, water once a week when the top few inches of soil are too dry. If there is already ample rainfall, additional watering may not be needed to avoid root rot. During spring and fall, when the Rough-stemmed spindle is actively growing, apply mulch outdoors to conserve water. Adjust watering frequency depending on the soil type - sandy soil requires more frequent watering, while clay soil can go 2-3 days without water to prevent root rot. Keep track of watering dates on a calendar and be attentive to drooping leaves, which may indicate the need for watering.

When is the best time to not fertilize my Rough-stemmed spindle?

There are specific times of the year when you should avoid fertilizing your Rough-stemmed spindle. The first period is in the early and mid-winter when the plant is dormant and does not require any nourishment. It is also not advisable to fertilize this plant in late spring and throughout summer due to the hotter and drier weather. These conditions can have a negative impact on your Rough-stemmed spindle if you fertilize it. To prevent any issues, it is recommended to stick to a fertilization schedule that only involves feeding in the early spring and early fall.

What are the signs that my Rough-stemmed spindle is getting insufficient light?

Symptoms of insufficient light in Rough-stemmed spindle include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, lighter-colored new leaves, and symptoms of overexposure like chlorosis, sunscald, leaf curling, wilting, and leaf scorching. These signs indicate that the plant is struggling with the lighting conditions, either needing more light or suffering from the effects of too much direct sunlight.

What steps should be taken if the Rough-stemmed Spindle experiences high temperatures?

During the summer, it's essential to keep the Rough-stemmed spindle's temperature below 35°C to prevent heat stress. Exposure to temperatures above 38°C can cause the leaves to lighten in color, the tips to become dry and withered, and increase the plant's susceptibility to sunburn. To mitigate these issues, trim away the damaged parts of the plant, and relocate it to a shaded area, or use a shade cloth to protect it from the harsh midday and afternoon sun. Additionally, ensure the soil remains moist by watering the plant in the morning and evening.

PLATES
Euonymus verrucosus leaf
PLATE 01 · leaf
Euonymus verrucosus leaf
PLATE 02 · leaf
Euonymus verrucosus flower
PLATE 03 · flower
Euonymus verrucosus flower
PLATE 04 · flower
Euonymus verrucosus fruit
PLATE 05 · fruit
Euonymus verrucosus fruit
PLATE 06 · fruit
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