White Mulberry
Morus Alba
White Mulberry, or Morus Alba, is a versatile fruit tree known for its sweet, edible fruits and attractive foliage. Native to Asia, it thrives in various climates and is often grown for its delicious berries and ornamental value.
Everything it needs
9 essentials at a glance
Watering
White Mulberry prefers consistently moist soil, especially during its growing season in spring and summer.
Water deeply once a week, allowing the top inch of soil to dry out between waterings. In fall and winter, reduce watering to every two weeks. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and leaf drop.
Light
This plant thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
Ideal placement is in a south-facing garden or near a sunny window if grown indoors. While it can tolerate partial shade, reduced light may affect fruit production and growth.
Soil
White Mulberry prefers well-draining soil rich in organic matter, with a pH range of 6.0 to 7.5.
A recommended potting mix includes a blend of loamy soil, compost, and perlite to ensure good drainage and aeration.
Humidity
White Mulberry enjoys moderate humidity levels, ideally around 40-60%.
To increase humidity, mist the leaves regularly or place a humidifier nearby. Signs of humidity stress include brown leaf tips and increased leaf drop.
Temperature
This plant thrives in temperatures between 60-75°F (15-24°C) and is hardy in USDA zones 5-9.
It can tolerate brief periods of cold down to 20°F (-6°C) but should be protected from extreme heat above 90°F (32°C) to prevent stress.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10 during the growing season, applying every 4-6 weeks.
In fall, switch to a low-nitrogen fertilizer to prepare the plant for dormancy. Signs of nutrient deficiency include stunted growth and yellowing leaves.
Pruning
Prune White Mulberry in late winter or early spring before new growth begins.
Use sharp, clean pruning shears to remove dead or crossing branches and to shape the tree. Regular pruning helps maintain a healthy structure and encourages fruit production.
Repotting
Repot White Mulberry every 2-3 years or when the roots become pot-bound.
Choose a pot 1-2 inches larger in diameter. Signs it needs repotting include roots growing out of the drainage holes and stunted growth. To repot, gently remove the plant from its current pot, loosen the roots, and place it in fresh potting mix.
Propagation
White Mulberry can be propagated through stem cuttings or seeds.
For stem cuttings, take 6-8 inch cuttings in late spring, dip them in rooting hormone, and plant them in a moist potting mix. Keep the cuttings in a warm, humid environment until roots develop. For seeds, stratify them in the refrigerator for 30 days before planting in spring.
When it's unhappy
Yellow leaves
Why it happens
Typically caused by over-watering or nutrient deficiency.
How to fix it
Check soil moisture levels and adjust watering accordingly. Fertilize with a balanced fertilizer if nutrient deficiency is suspected.
Leaf drop
Why it happens
Can occur due to stress from temperature fluctuations or low humidity.
How to fix it
Ensure the plant is in a stable environment with appropriate humidity levels, and avoid placing it near drafts or heat sources.
Root rot
Why it happens
Caused by over-watering and poorly draining soil.
How to fix it
Allow the soil to dry out and improve drainage. If necessary, repot the plant in fresh, well-draining soil.
Pests (aphids, spider mites)
Why it happens
Common pests that can infest the plant, especially in dry conditions.
How to fix it
Inspect the leaves regularly and treat infestations with insecticidal soap or neem oil.
Fruit drop
Why it happens
Can result from environmental stress or inadequate pollination.
How to fix it
Ensure the plant is well-watered and consider planting multiple trees for better pollination.
Care through the year
Spring
In spring, resume regular watering and fertilizing as the plant begins to grow. Prune any dead or damaged branches to encourage new growth.
Summer
During summer, ensure the plant receives full sun and adequate water, especially during dry spells. Monitor for pests and treat as necessary.
Fall
In fall, reduce watering frequency and switch to a low-nitrogen fertilizer to prepare the plant for dormancy. Harvest any remaining fruit.
Winter
In winter, protect the plant from extreme cold if grown in colder zones. Water sparingly, allowing the soil to dry out between waterings.
Toxicity & Safety
White Mulberry is generally non-toxic to pets and children. However, ingestion of large quantities of the fruit may cause gastrointestinal upset. The leaves are safe, but excessive consumption may lead to mild digestive issues.
Good to know
How often should I water my White Mulberry?
Water your White Mulberry once a week during the growing season, allowing the top inch of soil to dry out between waterings. In fall and winter, reduce watering to every two weeks.
Why are my White Mulberry leaves turning yellow?
Yellow leaves can indicate over-watering or a nutrient deficiency. Check the soil moisture and consider fertilizing with a balanced fertilizer if needed.
What type of soil is best for White Mulberry?
White Mulberry prefers well-draining soil rich in organic matter, with a pH range of 6.0 to 7.5. A mix of loamy soil, compost, and perlite works well.
When is the best time to prune my White Mulberry?
Prune your White Mulberry in late winter or early spring before new growth begins. This helps maintain its shape and encourages fruit production.
How can I propagate White Mulberry?
You can propagate White Mulberry through stem cuttings or seeds. For cuttings, take 6-8 inch sections in late spring and plant them in moist potting mix.
What pests should I watch for on my White Mulberry?
Common pests include aphids and spider mites. Regularly inspect the leaves and treat infestations with insecticidal soap or neem oil.
Is White Mulberry safe for pets?
White Mulberry is generally non-toxic to pets and children, but ingestion of large quantities of fruit may cause mild gastrointestinal upset.
Grows well with
Track this plant in your garden.
Set care reminders, log growth, and join a community of plant lovers.