Hanging Geranium
Pelargonium peltatum
Hanging Geraniums, also known as Ivy Geraniums, are beloved for their trailing growth and vibrant flowers. Native to South Africa, they are perfect for hanging baskets and containers, adding beauty to any space.
Everything it needs
9 essentials at a glance
Watering
Water the Hanging Geranium when the top inch of soil feels dry.
During the growing season (spring and summer), water every 1-2 weeks, ensuring the pot drains well. In fall and winter, reduce watering to every 2-3 weeks. Signs of over-watering include yellowing leaves and root rot, while under-watering leads to wilting and crispy leaf edges.
Light
Hanging Geraniums thrive in full sun, requiring at least 6 hours of direct sunlight daily.
Ideal placement is in a south or west-facing window or outdoors in a sunny spot. They can tolerate partial shade but may produce fewer flowers.
Soil
Use a well-draining potting mix with a pH of 6.0 to 7.0.
A mix of peat, perlite, and compost is ideal. Ensure the pot has drainage holes to prevent waterlogging, which can lead to root rot.
Humidity
Hanging Geraniums prefer moderate humidity levels around 40-60%.
To increase humidity, mist the leaves or place a humidity tray nearby. Signs of low humidity include browning leaf tips and wilting.
Temperature
Ideal temperature range is 65-75°F (18-24°C).
They are hardy in zones 9-11 and can tolerate brief periods of cooler temperatures down to 50°F (10°C) but should be protected from frost.
Fertilizing
Use a balanced 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 yellowing leaves and poor growth.
Pruning
Prune in early spring to encourage bushier growth and remove any dead or damaged leaves.
Use clean, sharp scissors or pruning shears. Deadheading spent flowers regularly promotes more blooms.
Repotting
Repot every 1-2 years or when the plant becomes root-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. Carefully remove the plant, trim any damaged roots, and place it in fresh potting mix.
Propagation
Propagation can be done through stem cuttings.
Take 4-6 inch cuttings from healthy stems, remove the lower leaves, and allow them to dry for a few hours. Plant in a moist potting mix, keep in bright indirect light, and maintain humidity until roots develop, usually within 2-4 weeks.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or nutrient deficiency.
How to fix it
Check soil moisture and reduce watering frequency. Fertilize with a balanced fertilizer if nutrient deficiency is suspected.
Wilting leaves
Why it happens
Under-watering or extreme heat.
How to fix it
Water the plant thoroughly and ensure it is not in direct, scorching sunlight for extended periods.
Root rot
Why it happens
Poor drainage and over-watering.
How to fix it
Remove the plant from the pot, trim away rotten roots, and repot in fresh, well-draining soil.
Pest infestations (aphids, spider mites)
Why it happens
Dry conditions and poor air circulation.
How to fix it
Inspect the plant regularly, and treat infestations with insecticidal soap or neem oil. Increase humidity and improve air circulation.
Faded flowers
Why it happens
Insufficient light or lack of deadheading.
How to fix it
Ensure the plant receives adequate sunlight and regularly remove spent flowers to encourage new blooms.
Care through the year
Spring
In spring, repot if necessary and resume regular watering and fertilizing. Prune to encourage new growth and remove any dead leaves.
Summer
During summer, ensure the plant receives full sun and water regularly, especially during hot spells. Deadhead spent flowers to promote blooming.
Fall
In fall, gradually reduce watering as the plant enters dormancy. Continue to deadhead and prepare for potential indoor relocation if temperatures drop.
Winter
In winter, reduce watering to every 2-3 weeks and keep the plant in a bright, cool location. Avoid over-watering to prevent root rot.
Toxicity & Safety
Hanging Geraniums are non-toxic to pets and children. However, ingestion of large quantities may cause mild gastrointestinal upset. The leaves and stems are safe, but it's best to keep them out of reach of curious pets.
Good to know
How often should I water my Hanging Geranium?
Water your Hanging Geranium when the top inch of soil feels dry, typically every 1-2 weeks during the growing season and every 2-3 weeks in winter.
Why are my Hanging Geranium leaves turning yellow?
Yellow leaves can indicate over-watering or a nutrient deficiency. Check the soil moisture and adjust watering accordingly, and consider fertilizing if needed.
What is the best light for Hanging Geraniums?
Hanging Geraniums thrive in full sun, requiring at least 6 hours of direct sunlight daily for optimal growth and flowering.
How can I propagate my Hanging Geranium?
You can propagate Hanging Geraniums through stem cuttings. Take healthy cuttings, allow them to dry, and plant them in moist potting mix until roots develop.
When should I prune my Hanging Geranium?
Prune your Hanging Geranium in early spring to promote bushier growth and remove any dead or damaged leaves.
What temperature do Hanging Geraniums prefer?
Hanging Geraniums prefer temperatures between 65-75°F (18-24°C) and should be protected from frost.
How do I increase humidity for my Hanging Geranium?
To increase humidity, mist the leaves regularly or place a humidity tray filled with water nearby to create a more humid environment.
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