
Succulent plants can indeed survive winter with proper care, but it requires some extra attention.
Most succulents can tolerate temperatures as low as 40°F (4°C) for short periods, but prolonged exposure to such cold temperatures can cause damage.
To ensure your succulents make it through the winter, you'll need to bring them indoors or provide some protection from harsh winds and frost.
Some succulents, like aloe and agave, are more sensitive to cold temperatures than others, like echeveria and crassula.
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Preparing Succulents for Winter
Succulents are incredibly resilient plants, but they still need a little extra care during the winter months. Most succulents go dormant during winter, requiring even less water, often just once every two weeks.
Pincushion cacti, agave plants, and sedums are just a few examples of succulents that go dormant during winter. Jade Plants, Aloe Vera, Snake Plants, Haworthia, and Kalanchoe, on the other hand, go dormant during the dry summer months.
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To prepare your succulents for winter, it's essential to protect them from water. Hardy succulents need less frequent water in winter, and you should also shield them from water dripping from roofs and trees. A clear rain cover at least 18.0" above them can be a great solution.
Repotting your succulents can be a good idea if you're moving them inside. Use well-draining, sandy soil and a pot with ample drainage holes to prevent root rot. Be gentle when handling their delicate roots during the move.
Succulents have diverse sunlight requirements, so make sure to research what your plants need. Some prefer indirect sunlight, while others thrive in full sun. Glass can magnify sunlight, so keep an eye on your plants to prevent sunburn.
Watering is the most critical aspect of succulent care during winter. Water them sparingly, allowing the top inch of soil to dry out between waterings. When you do water, give them a good soaking, and then cut them off until the next time they need it.
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Understanding Winter Effects
Winter can be a challenging time for succulents, but understanding the effects it has on them can help you care for them better.
The temperature at which water freezes, 32 degrees F, is the Great Divide for succulents. Above that, most succulents are fine.
If you live in an area with freezing temperatures, you should be worried about your outdoor succulents in winter. Below 32 degrees F, most succulents are at risk.
It's not just the cold that's a problem, but also the frost that comes with it.
Overwintering Methods
Overwintering Soft, Indoor Succulents can be a challenge, but with the right approach, your plants will thrive. To transition your soft succulents back indoors for winter, pay attention to their light, air, soil, and water conditions.
Soft succulents need protection from cold temperatures, which can cause damage or death. Most varieties can’t handle temps below 32 degrees F.
To prepare your succulents for overwintering, stop watering them in the fall. Indoor or outdoor succulents stop absorbing water so they can go into dormancy during the winter.
Broaden your view: Succulent Plants Indoor or Outdoor
Covering your succulents with horticulture fleece will provide them with enough warmth to survive and protect them from freezing. This is especially useful for outdoor succulents that can't be brought indoors.
If you have several pots of outdoor succulents, place them together in a group in a sheltered location. Under the eave of the house is an ideal location.
Propagating your succulents is another way to overwinter them indoors. This is especially useful when you don't have enough space for all your potted plants.
To propagate a succulent, fill a small pot with a cacti-specific potting mix. Cut one leaf off a healthy parent plant and dip the cut end into the rooting hormone.
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Choosing Hardy Succulents
Before you start looking for cold-hardy succulents, it's essential to know your horticultural zone, which can be found on the USDA's Plant Hardiness Zone Map. This will help you determine the temperature range your plants can tolerate.
To find the right succulents for your area, check the hardiness zone on the plant tag or research the specific species online. Most plant tags will list the growing zone for that plant, and you can use the USDA Hardiness Zones list to ensure you buy one that's hardy for your winter temperatures.
Here are some cold-hardy outdoor succulents that can thrive in northern climates:
- Sempervivum heuffelii
- Sedum varieties
- Kalanchoe (for indoor succulents)
- Senecio (for indoor succulents)
- Haworthia
- Jade (Crassula)
- Gasteria
- Air Plants (Tillandsia)
Some succulents, like Stonecrops (small-leaved sedums), are more resistant to frost due to their smaller leaves.
Why Hardy Ones Survive
Hardy succulents have a special trick to survive the cold. They sense when colder weather is coming and reduce the amount of water stored in their leaves.
This prevents the cells inside the plant leaves from developing ice crystals and bursting. It's like they're preparing for a dry spell, even if it's a cold one.
Some succulents go into dormancy to survive the winter. They'll come out of dormancy and start plumping up their leaves with water again in the spring.
The smaller the leaves, the more resistant to frost. Stonecrops, also known as sedums, are a great example of this.
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Recommended Varieties
If you're looking for succulents that can withstand cold climates, Sempervivum heuffelii is a great option, as it keeps vibrant colors even in winter.
These plants are perfect for areas with snowy winters and can thrive in cold conditions. They make great additions to your outdoor garden.
For indoor succulents, Kalanchoe and Senecio are excellent choices, especially if you have a sunny window or grow light.
Best Outdoor Plants
If you live in a northern climate, you can still enjoy the benefits of succulents outdoors. They're perfect for conserving water and creating a xeriscape.
For anyone looking to bring some greenery to their outdoor space, succulents are a great option. They're hardy and can thrive in cold temperatures, making them ideal for northern climates.
Some of the best outdoor plants for cold-hardy succulents are actually evergreen, meaning they keep their leaves year-round. This is a big plus for people who want to enjoy their outdoor space year-round.
These hardy succulents can withstand frost and freezing temperatures, making them perfect for areas with harsh winters. They're also low-maintenance and drought-tolerant, which is a win-win for busy people or those who want to save on water bills.
For another approach, see: Do Succulent Plants Need Water
What Is My Hardiness Zone?
Before you start shopping for succulents, you need to know your hardiness zone. This is the average annual minimum winter temperature in your area, and it's crucial for choosing plants that will survive the cold weather.
To find your hardiness zone, go to the USDA's Plant Hardiness Zone Map and type in your ZIP code. This will give you a specific zone number, which is based on the temperature minimums listed below.
Here are the USDA Hardiness Zones and their temperature minimums:
- 1a (-60 to -55 °F)
- 1b (-55 to -50 °F)
- 2a (-50 to -45 °F)
- 2b (-45 to -40 °F)
- 3a (-40 to -35 °F)
- 3b (-35 to -30 °F)
- 4a (-30 to -25 °F)
- 4b (-25 to -20 °F)
- 5a (-20 to -15 °F)
- 5b (-15 to -10 °F)
- 6a (-10 to -5 °F)
- 6b (-5 to 0 °F)
- 7a (0 to 5 °F)
- 7b (5 to 10 °F)
- 8a (10 to 15 °F)
- 8b (15 to 20 °F)
- 9a (20 to 25 °F)
- 9b (25 to 30 °F)
- 10a (30 to 35 °F)
- 10b (35 to 40 °F)
- 11a (40 to 45 °F)
- 11b (45 to 50 °F)
- 12a (50 to 55 °F)
- 12b (55 to 60 °F)
- 13a (60 to 65 °F)
- 13b (65 to 70 °F)
Most plant tags will list the growing zone for that plant, so be sure to check it before you buy.
Understanding Your Succulents
There are thousands of different types of succulents, belonging to 60 different plant families. Knowing what specific succulent you're caring for is crucial, especially when it comes to winter care.
Some succulents, like Sedums and Sempervivums, can withstand cold temperatures and are hardy enough for our zone 5 climate. Many classic succulents, however, need to be kept indoors to thrive during the winter months.
Know Your Plants
Knowing your succulents is crucial, especially when it comes to their hardiness. There are thousands of different types of succulents, spread across 60 different plant families.
Most succulents hail from hot desert regions far south, but some can thrive in colder climates like ours in zone 5. Some species of Sedums and Sempervivums can withstand our Chicagoland winters.
However, many classic succulents like Aloe Vera, Jade Plant, Panda Plant, and Christmas Cactus are not as hardy and need to be kept indoors during winter.
What Is a Succulent?
Succulents are a group of plants that store water in their thick, engorged, fleshy leaves.
Most succulents have deep root systems, which help them absorb water from the soil.
Some succulent plants have no leaves but will store water in their stems.
Succulents usually thrive in dry climates with very little humidity.
These plants are often used in xeriscaping, rock gardens, and other water-challenged climates.
There are more than 60 succulent families, and some have recently become quite popular as houseplants.
Additional reading: How to Water Indoor Succulent Plants
Frequently Asked Questions
Can I leave my potted succulents outside?
Yes, you can leave your potted succulents outside, but they thrive in sunny locations with warm, dry climates. Learn more about the ideal conditions for outdoor succulent care.
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