Displaying the plants outside in spring and summer is a great way to add a touch of greenery to your home and promote your appeal for your curb. Whether you lack yard space for garden beds, love Plain with plantsOr take out your houseplant for some extra sunlight and heat, growing out plants may have a fun and comfortable hobby.
However, it is important to avoid Keep the plants out very quickly And subject to dangerous cold circumstances. So, what temperature is very cold for potted plants, and when is it safe to take them out?
We turn to a horticulture expert and professional horticulture expert to answer these questions.
Meet experts
Justin Hancock A horticulture and houseplant expert and a horticulture expert in Costa Farms.
How cold is it for plants?
While the exact border varies depending on the type of plant, potted plants should not be generally exposed Temperature below 40 to 50 ° F (4 to 10 ° C) For extended period.
However, some plants are more cold-height than others, so this benchmark may vary.
Horticulture of Costa Farms, Justin Hancock says that most houseplants, for example, the best fare when the temperature is above 50 degrees. Similarly, like summer annual Gerium And Dark blue color Until the temperature remains above 40 degrees F, some heat-loving varieties should not remain above the heat in the temperature of 55 ° F or more with varieties.
On the other hand, like a cool-seasure annual Pansis,
To say all this, if you are on the fence about whether it is safe to take out your potted plant or plant your transplantation in planters, then the first plant cold instead of relying on the normal benchmark It is always best to research tolerance. The health of your plant may depend on this!
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Plant health matters
Hancock makes an important note about plants and their cold tolerance: the basic health of the plant matters.
“The more happy and healthy as a plant, the more flexible for stress,” says Hancock. But if your plant is stressed and struggling, then the same 50F night temperature may cause some damage. ,
Hancock also suggests how the plant was grown before being taken out can affect its adaptability, especially for annual and perennials.
For example, if your plant is still growing in an environment like hot, greenhouse, it will probably struggle if it has suddenly gone out because it is not used for chili temperature.
However, if your cold-season annual was started from seed in cooler positions, they would be more quickly suited to stay out full-time. Finally, it comes down how well the plants are affected in new conditions.
When to take out the potted plants
Plants growing indoors, like a houseplant, sproutOr early annuals, can be taken out once Danger of frost Passed or the minimum temperature limit has been hit. The exact day will be different based on your area.
You can use your area Projected final frost date As a benchmark, but always be with your local weather predictions so that you do not miss an unexpected frost alert (and do not forget to look out for those timid night temperature drops).
While the potted plants should not be taken out permanently until your area is free from frost, you can take them out for a few hours in the afternoon or especially in a hot days. This will help bring your plant to external conditions gradually, so it does not experience shock after permanently moved out.
How to take out the potted plants
Once the risk of frost has passed, it is not as simple as taking out the passing plants out. There are some things that you should do to prepare your plants and ensure that they are ready to grow exterior.
First, if your plant is not growing in a vessel A drainage holeYou have to repeat it. This is because your plant will be exposed to regular rainfall, and a pot without drainage is waiting for the root rot.
Second, it is important to include your plant in external conditions. Indoor vs. outdoor temperature, humidity, and Lighting It is very different, resulting in a shock if your plant does not occur properly.
So, how is it done? Slowly with patience and patience.
For example, if you have a bright, direct sun growing indoors in place, start it out in a partially shaded place. For more than one or two weeks, slowly move it to bright and bright areas until it is used to grow directly to the Sun place.