String Of Bananas
Senecio Radicans
Senecio radicans, commonly known as String of Bananas, is a unique succulent with trailing stems that resemble bananas. Native to South Africa, this plant is popular for its easy care and striking appearance, making it a favorite among indoor gardeners.
Everything it needs
9 essentials at a glance
Watering
Senecio radicans prefers to dry out between waterings.
Water thoroughly when the top 1-2 inches of soil feel dry, typically every 2-3 weeks in the growing season. In winter, reduce watering to once a month. Signs of over-watering include yellowing leaves and mushy stems, while under-watering may cause shriveling and browning of the leaves.
Light
This plant thrives in bright, indirect light but can tolerate some direct sunlight.
Ideally, it should receive 6-8 hours of light daily. Avoid placing it in low-light conditions, as this can lead to leggy growth and reduced vigor.
Soil
A well-draining soil mix is essential for Senecio radicans.
A cactus or succulent potting mix with a pH of 6.0 to 7.0 is ideal. Ensure the pot has drainage holes to prevent water accumulation, which can lead to root rot.
Humidity
Senecio radicans prefers low to moderate humidity levels, around 30-50%.
To increase humidity, you can mist the plant occasionally or place it on a pebble tray with water. Signs of low humidity include leaf curling and browning tips.
Temperature
This plant thrives in temperatures between 65-80°F (18-27°C) and can tolerate temperatures as low as 50°F (10°C).
It is not frost-tolerant, so keep it indoors during colder months, ideally in USDA hardiness zones 9-11.
Fertilizing
Use a balanced, diluted liquid fertilizer with an NPK ratio of 10-10-10 every 4-6 weeks during the growing season.
Reduce or stop fertilizing in fall and winter. Signs of nutrient deficiency include pale leaves and stunted growth.
Pruning
Prune Senecio radicans in spring to maintain its shape and encourage bushier growth.
Use clean, sharp scissors or pruning shears to cut back any leggy or overgrown stems. Deadheading is not necessary, but removing dead leaves can improve appearance.
Repotting
Repot every 2-3 years or when the plant becomes root-bound.
Choose a pot that is 1-2 inches larger in diameter. Signs it needs repotting include roots growing out of the drainage holes and stunted growth. Carefully remove the plant from its pot, shake off excess soil, and place it in fresh potting mix.
Propagation
Propagation can be done through stem cuttings or leaf cuttings.
Take a cutting with at least a few leaves, let it dry for a day to form a callus, then plant it in well-draining soil. Water lightly and place in bright, indirect light. Best timing is in spring or early summer.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or insufficient light.
How to fix it
Adjust watering schedule and ensure the plant receives adequate light.
Leggy growth
Why it happens
Insufficient light conditions.
How to fix it
Move the plant to a brighter location to encourage compact growth.
Root rot
Why it happens
Excess moisture in the soil.
How to fix it
Allow the soil to dry out completely and consider repotting in fresh, dry soil.
Browning leaf tips
Why it happens
Low humidity or under-watering.
How to fix it
Increase humidity levels or adjust watering frequency to keep the soil slightly moist.
Pests (mealybugs, aphids)
Why it happens
Poor air circulation or high humidity.
How to fix it
Inspect regularly, remove pests with a cotton swab dipped in alcohol, and improve air circulation.
Care through the year
Spring
In spring, increase watering frequency as the plant begins to actively grow. Consider repotting if it has outgrown its pot, and start fertilizing every 4-6 weeks.
Summer
During summer, ensure the plant receives plenty of bright, indirect light. Water regularly, allowing the soil to dry out between waterings, and continue fertilizing every 4-6 weeks.
Fall
In fall, gradually reduce watering as the plant's growth slows down. Stop fertilizing by late fall and prepare the plant for winter conditions.
Winter
In winter, water sparingly, only once a month, and keep the plant in a warm location away from drafts. Avoid fertilizing during this dormant period.
Toxicity & Safety
Senecio radicans is considered mildly toxic to pets and humans. Ingestion may cause gastrointestinal upset, including vomiting and diarrhea. The leaves and stems are the most toxic parts.
Good to know
Why are my String of Bananas leaves turning yellow?
Yellowing leaves on Senecio radicans can indicate over-watering or insufficient light. Adjust your watering schedule and ensure the plant is receiving enough bright, indirect light.
How often should I water my Fishhooks Senecio?
Water your Senecio radicans every 2-3 weeks during the growing season, allowing the top 1-2 inches of soil to dry out completely between waterings. In winter, reduce watering to once a month.
What type of soil is best for String of Bananas?
A well-draining cactus or succulent potting mix is ideal for Senecio radicans. Ensure the soil has a pH range of 6.0 to 7.0 and that the pot has drainage holes to prevent water accumulation.
How can I propagate my Fishhooks Senecio?
You can propagate Senecio radicans through stem cuttings. Take a cutting with a few leaves, let it dry for a day to form a callus, then plant it in well-draining soil and water lightly.
What temperature does String of Bananas prefer?
Senecio radicans thrives in temperatures between 65-80°F (18-27°C) and can tolerate as low as 50°F (10°C). Keep it indoors during colder months to prevent frost damage.
Is Senecio radicans toxic to pets?
Yes, Senecio radicans is considered mildly toxic to pets and humans. Ingestion of the leaves or stems may cause gastrointestinal upset, including vomiting and diarrhea.
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