How to Winter Geraniums: Essential Tips for Successful Caring

How to Winter Geraniums?

To winter geraniums, there are a few methods to choose from.

One option is to take stem cuttings from the plant, dip the base in rooting hormone, and plant them in a pot with vermiculite or perlite and sphagnum peat moss.

After they have rooted, transfer each cutting into its own pot and keep them in a sunny window or under artificial lighting until spring.

Another method is to dig up the geraniums and place them in large pots indoors.

Water them every two weeks, prune in March, and they should develop into healthy plants.

Lastly, you can dig up the geraniums before the first fall frost, remove soil from the roots, and either store them in a paper sack in a cool, dry place or hang them upside down in the same conditions.

In March, remove dead material, prune back to live stem tissue, and pot them.

Once they have developed, they can be planted outdoors after the last frost.

Key Points:

  • Take stem cuttings, root them, and plant in pots with vermiculite or perlite and sphagnum peat moss
  • Transfer rooted cuttings to individual pots and keep them in a sunny window or under artificial lighting until spring
  • Dig up geraniums and place them in large pots indoors, watering every two weeks and pruning in March
  • Dig up geraniums before first fall frost, remove soil from roots, and store in a cool, dry place or hang upside down
  • In March, remove dead material, prune back to live stem tissue, and pot them
  • Once developed, plant geraniums outdoors after the last frost


Did You Know?

1. Geraniums were first introduced to Europe in the 17th century, after being brought from South Africa.
2. Contrary to popular belief, geraniums are not actually true geraniums; they belong to the Pelargonium genus.
3. Geraniums can be used as a natural mosquito repellent due to their strong fragrance, helping to keep these pesky insects at bay.
4. The leaves of geranium plants are edible and can be used in salads or to flavor herbal teas, adding a unique citrusy taste.
5. Geraniums have been used in traditional medicine for centuries, with claims of benefits ranging from treating skin conditions to promoting relaxation and improving sleep.

Overwintering Geraniums Indoors: Methods And Techniques

Geraniums in Minnesota need protection from cold temperatures during winter. Overwintering geraniums indoors is a popular method to ensure their survival and enjoy their blooms year after year.

One effective technique is taking stem cuttings. Start by selecting healthy 3- to 4-inch stem cuttings from the plant tips. Remove lower leaves and dip the base in rooting hormone. Place the cuttings in a pot or flat with drainage holes, filled with a mixture of vermiculite or perlite and sphagnum peat moss. Ensure the cuttings are securely inserted into the soil. Rooting usually takes about six to eight weeks.

Once the cuttings have rooted, it’s time to transplant them individually. Use well-draining potting soil and plant each cutting in its own pot. Position the pots in a sunny window or under artificial lighting until spring. Regularly water the plants, but avoid overwatering.

  • Select healthy 3- to 4-inch stem cuttings
  • Remove lower leaves
  • Dip cuttings’ base in rooting hormone
  • Place cuttings in a pot with drainage holes
  • Use vermiculite or perlite and sphagnum peat moss as soil mixture
  • Ensure cuttings are securely inserted into the soil
  • Rooting takes around six to eight weeks
  • Transplant rooted cuttings individually
  • Use well-draining potting soil
  • Position pots in a sunny window or under artificial lighting
  • Remember to water regularly, avoiding overwatering.

Propagating Geraniums: Successfully Rooting Stem Cuttings

Propagating Geraniums from Stem Cuttings: A Winter Survival Technique

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Follow these steps to successfully root stem cuttings and ensure the survival of these beautiful flowers through the winter:

  1. Select healthy 3- to 4-inch stem cuttings from the tips of the geranium plant.
  2. Remove the lower leaves, leaving only a few at the top of each cutting.
  3. Dip the base of the cuttings in rooting hormone to encourage root development.
  4. Fill a pot or flat with drainage holes with a mixture of vermiculite or perlite and sphagnum peat moss.
  5. Insert the cuttings into the soil, making sure they are securely planted.
  6. Place the pot or flat in a warm location receiving indirect sunlight.
  7. Mist the cuttings with water to keep them moist, but avoid overwatering.
  8. Rooting should occur within six to eight weeks.
  9. Once roots have developed, transplant each cutting into its own pot with well-draining potting soil.
  10. Provide sufficient light through a sunny window or artificial lighting until spring arrives.

Remember: With these steps, you can easily propagate geraniums from stem cuttings and ensure their successful overwintering indoors.

Additional Tips:

  • Be sure to sterilize your tools and containers before starting to prevent the spread of diseases.
  • Choose a healthy and well-established geranium plant for the best chance of successful propagation.
  • Avoid placing the cuttings in direct sunlight, as this can cause them to dry out quickly.
  • Monitor the moisture level of the soil regularly to prevent under or overwatering.
  • If you notice any signs of mold or disease, take immediate action to prevent further spread.

That’s it! With these simple steps and additional tips, you’ll have beautiful geraniums thriving indoors throughout the winter season.

Growing Geraniums Indoors: Tips For Caring And Ensuring Successful Overwintering

Growing geraniums indoors requires specific care and attention to ensure their successful overwintering. Here are some essential tips to keep your geraniums healthy and thriving during the winter months:

  1. Provide ample sunlight: Place your geraniums in a sunny window where they can receive at least six hours of direct sunlight each day. Alternatively, you can use artificial grow lights to supplement the light requirements.

  2. Maintain proper temperature: Geraniums prefer daytime temperatures between 65-75°F (18-24°C) and cooler nights around 55-60°F (13-15°C). Avoid exposing them to extreme temperatures, drafts, or heating vents, as this can cause stress to the plants.

  3. Watering: Geraniums should be watered thoroughly when the top inch of soil feels dry to the touch. Allow excess water to drain out of the pot and never let the plant sit in standing water. Overwatering can lead to root rot, so it’s important to find the right balance.

  4. Fertilizing: Feed your geraniums with a balanced, water-soluble fertilizer once a month during the winter months. Follow the instructions on the fertilizer packaging for proper dosing.

  5. Pruning: In late winter or early spring, prune your geraniums by removing one-half to two-thirds of each plant. This helps rejuvenate the plant and encourages new growth.


By following these tips and providing the proper care, you can ensure successful overwintering of your geraniums indoors and enjoy their vibrant blooms throughout the winter season.

  • Provide ample sunlight
  • Maintain proper temperature
  • Watering
  • Fertilizing
  • Pruning

Overwintering Geraniums As Potted Plants: Step-By-Step Guide

Overwintering geraniums as potted plants is a convenient method that allows you to enjoy their blooms indoors during the colder months. Follow this step-by-step guide to ensure their successful transition:

  1. Digging up the plants: Before the first fall frost, carefully dig up each geranium plant from your garden or containers. Be mindful of the roots to avoid damage.

  2. Plant relocation: Place each plant in a large pot with well-draining potting soil. Ensure the pots have drainage holes to prevent waterlogging.

  3. Watering: After potting up the plants, water them thoroughly to settle the soil. Allow excess water to drain out of the pots and remove any standing water.

  4. Sunlight requirements: Position the pots in a sunny window where the geraniums can receive at least six hours of direct sunlight each day. Alternatively, you can use artificial grow lights to provide adequate light.

  5. Watering routine: Water the potted geraniums every two weeks, allowing the soil to dry out between waterings. Be cautious not to overwater, as geraniums are prone to root rot in waterlogged conditions.

  6. Pruning: In March, prune the geranium plants by removing one-half to two-thirds of each plant. This stimulates new growth and helps maintain a compact, healthy shape.

By carefully following these steps, you can successfully overwinter your geraniums as potted plants and enjoy their beauty indoors until the arrival of spring.

  • Dig up each geranium plant carefully to avoid root damage.
  • Place the plants in pots with well-draining soil.
  • Ensure the pots have drainage holes to prevent waterlogging.
  • Water the plants thoroughly after potting to settle the soil.
  • Position the pots in a sunny window or use artificial grow lights.
  • Water the plants every two weeks, allowing the soil to dry out between waterings.
  • In March, prune the plants to stimulate new growth and maintain a compact shape.
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Storing Geraniums As Bare-Root Plants: A Simple And Effective Method

Storing geraniums as bare-root plants is a straightforward and effective method that allows for easy re-planting in the spring.

Follow this simple guide to ensure the successful storage of your geraniums:

  1. Timing: Before the first fall frost arrives, carefully dig up your geranium plants from the garden or containers. Be gentle to avoid damaging the roots.

  2. Soil removal: Gently shake off excess soil from the roots, being careful not to damage them further.

  3. Storage options: There are two storage methods you can choose from. One option is to store the bare-root plants in a large paper sack. Place one or two plants per bag, and store them in a cool, dry location. The alternative method is to hang the plants upside down in a cool, dry location.

  4. Monitoring conditions: Check on the stored plants periodically to ensure they remain cool and dry. Avoid exposing them to extreme temperatures or moisture, as this can cause rot or fungal diseases.

  5. March revival: In March, retrieve the stored geraniums and inspect them for any dead material. During this time, prune back any dead material and trim the plants to live stem tissue.

  6. Potting and watering: Plant the trimmed geraniums in pots with well-draining potting soil. Water the plants thoroughly until the soil is evenly moist.

  7. By following these steps, you can easily store geraniums as bare-root plants and successfully revive them in the spring for re-planting or further enjoyment indoors.

Transitioning Potted And Pruned Geraniums: Preparing For Outdoor Planting

With spring’s arrival, it’s time to transition your potted and pruned geraniums back outdoors. Proper preparation is essential for a seamless transition and allowing the plants to thrive in the garden. Here are the steps to follow:

  1. Timing: Wait until all threats of frost have passed and the weather consistently remains around 50-55°F (10-13°C) before transitioning your geraniums back outdoors. This typically occurs after the last frost date in your area.

  2. Gradual acclimatization: Begin by placing your potted geraniums outdoors for a few hours each day, gradually increasing their exposure over a period of one to two weeks. This helps the plants adjust to the outdoor conditions.

  3. Choose a suitable location: Select a spot in the garden that receives full sun to partial shade, as geraniums thrive in these conditions. Ensure the soil is well-draining to prevent waterlogging.

  4. Planting process: Dig a hole slightly larger than the size of the pot in which your geraniums were overwintered. Gently loosen the root ball of the plant and place it in the hole. Backfill the hole with soil, pressing it firmly around the plant.

  5. Watering routine: After planting, water the geraniums thoroughly to settle the soil. Keep watering regularly to ensure the soil remains moist but not waterlogged.

  6. Maintenance: Monitor your geraniums for any signs of pests or diseases such as caterpillars or fungal infections. If necessary, apply appropriate treatments.

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By following these guidelines, you can successfully transition your potted and pruned geraniums back outdoors, where they can flourish and continue to beautify your garden.

  • Wait until all threats of frost have passed before transitioning your geraniums outdoors.
  • Gradually acclimate your geraniums to outdoor conditions over one to two weeks.
  • Choose a location with full sun to partial shade and well-draining soil.
  • Dig a hole slightly larger than the pot size, loosen the root ball, and plant the geranium.
  • Water thoroughly after planting and maintain regular watering.
  • Monitor for pests and diseases and apply treatments if necessary.

“By following these guidelines, you can successfully transition your potted and pruned geraniums back outdoors, where they can flourish and continue to beautify your garden.”

Frequently Asked Questions

What is the best way to keep geraniums over winter?

To successfully keep geraniums over winter, it is best to allow the soil in the pot to dry out before starting the process. Once the soil is dry, you can place an overturned paper bag on top of each plant to provide insulation. It is important to store the dormant plant containers in a cool, dark, unheated area, such as a basement or garage, while ensuring that the environment is slightly damp. Regularly checking the geraniums every few weeks is crucial to ensure that the leaves and stems are not shriveling, allowing you to adjust the conditions if necessary. By following these steps, you can effectively protect your geraniums in winter and give them the best chance of thriving when spring arrives.

Do geraniums like winter?

Geraniums are notorious for their inability to withstand the harsh winter conditions. However, with a little care and attention, they can still thrive during this season. By taking geraniums indoors and providing them with sufficient protection, they can be successfully overwintered and ready to bloom again in the spring. This way, their vibrant colors can continue to grace the landscape year after year, even in the midst of winter.

Should you cut back geraniums for winter?

While it may be tempting to cut back geraniums for winter, it is generally advised to avoid pruning during the late fall and winter months. This is because plants tend to rest and recover during the cooler months, making spring and summer the optimal times for pruning. However, if your geraniums have become overgrown, pruning can still be done with a little courage and patience.

How do I protect my geraniums from the cold?

To safeguard geraniums from the cold, a simple solution includes using a garden fleece or a bedsheet to shield the plants during the night, effectively keeping the cold at bay. Alternatively, placing a cardboard box over the pots or containers also serves as a protective measure. It is crucial to remove this protection during the day to ensure the geraniums receive ample sunlight. However, for those seeking a more convenient option, the garden fleece can be left on the plants throughout the day as well.

References: 1, 2, 3, 4

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