❄️Cold Night Survival Guide

Smokey and Sunshine Prepare Plants for the Cold Night.

Smokey: Come on, Sunshine, help me move these plants inside before it gets dark!
Sunshine: I am helping... see? I’m supervising the mango tree.
Smokey: You call that supervising? The frost cloth’s upside down!

When the forecast drops into the 30s, panic is not a plan. This is your simple, clear checklist to protect every tropical in your garden. Think of it as the quick emergency manual that goes hand in hand with the previous cold-weather newsletter.

"We all love our tropical flowers, mangoes, bananas, and rare fruit trees. A single cold night does not have to be a disaster. The key is knowing what to do, when to do it, and what mistakes to avoid." - Tatiana Anderson, Top Tropicals Plant Expert

🌡️ FROST AND FREEZE

A frost and a freeze are not the same. A frost is when you see ice crystals on leaves or grass, while a freeze is when the air temperature drops below 32 F. The tricky part is that you can get frost even when the air is above freezing, and you can have a freeze with no frost at all. It all depends on humidity and the dew point. If the dew point is below freezing, the ground can cool faster than the air, letting frost form even when your thermometer reads 35 or 36 F. And once the air itself drops below 32 F, even for an hour, tender tropicals can be damaged. For plants, a freeze is far more dangerous, because freezing air pulls heat out of stems, branches, and roots. Frost usually burns leaves, but a true freeze can injure wood, kill buds, and damage the entire plant.

Frost on the grass and leaves on Winter morning in Central Florida

WHAT TO DO AND NOT TO DO BEFORE A COLD SNAP

✔️ 5 THINGS TO DO:

1. Water well. Hydrated plants tolerate cold better than dry, stressed ones.
2. Add mulch. A thick layer around the base keeps roots warm.
3. Block the wind. Move pots to a sheltered corner or patio.
4. Cover at night, uncover in the morning. Let plants breathe and get light.
5. Add gentle heat if needed. Non-LED Christmas lights or a small old style 15-20W light can raise temps a few degrees.

❌ 5 THINGS NOT TO DO:

1. Do not prune or trim. Fresh cuts freeze first.
2. Do not overwater. Wet, cold soil invites root rot.
3. Do not let plants dry out either. Wilted plants freeze more easily.
4. Do not use dry fertilizer. Gentle liquid feeds like Sunshine Boosters are safe to use with every watering: its intake naturally slows down as watering decreases.
5. Do not look only at the thermometer. A long, windy night can be worse than a short freeze.

TEMPERATURE ACTION GUIDE (40 to 25 F)

• 40 to 38 F: Move potted plants to shelter, water soil, and cover tender tropicals.
• 37 to 33 F: Use frost cloth and anchor it down so the wind does not lift it.
• 32 to 30 F: Add a heat source like non-LED lights.
• 29 to 25 F: Double-cover sensitive plants, wrap trunks, and protect roots heavily.

COLD TOLERANCE BY PLANT TYPE

Before a cold night, it really helps to know your plant’s exact cold limits. Every species is different, and young plants are always more sensitive than mature ones. Take a few minutes to look up your varieties in our Tropical Plants Encyclopedia — it will tell you the safe temperature range, how much protection each plant needs, and which ones must be covered or moved before the next cold snap hits.

• Bananas: leaf burn below 37 F
• Mango, Annona: hurt around 32 F
• Cold hardy avocados: Mature tree can take about 25 F. Young trees must be protected
• Olives, Citrus, Guava, Jaboticaba: usually OK outside with mulch

QUICK-ACTION TABLE

Before the cold arrives, make yourself a quick list of every plant and what action each one needs. It saves time when temperatures start dropping and keeps you from scrambling in the dark. Check that you have enough frost cloth, blankets, and supplies on hand so you can cover everything without rushing. Planning ahead makes cold nights much less stressful.

• Bring Indoors: Cacao, Bilimbi, Coffee. They need warm, bright light.
• Cover Outdoors: Mango, Jackfruit, Banana, Annona. Use frost cloth, not plastic on leaves.
• Leave Outside: Eugenias, Peaches, Persimmons, Longan, Lychee, Papaya, Citrus, Loquat, Hardy Avocado. Add mulch and monitor overnight lows.

🛒 Check out cold tolerant tropicals

Covering large mango and avocado trees in pots at TopTropicals during cold nights

GADGETS AND TOOLS THAT HELP

• Indoor helpers: LED lights, small heaters, bottom-heat mats, timers.
• Outdoor helpers: frost cloth rolls, mini greenhouses, non-LED Christmas lights or small incandescent lights, smart thermometers.

Always keep electrical safety in mind, especially if you are using extension cords outdoors. Use only weather-rated cords, keep all connections off the ground, and protect plugs from moisture. Make sure heaters and lights are stable, secured, and never touching fabric covers. A few minutes of safety check can prevent a dangerous situation on a cold, wet night.

And if you want to keep plants strong through winter, add Sunshine Boosters to your watering routine. It is gentle, safe in cold weather, and gives plants an extra edge.

AFTER THE COLD PASSES

In the morning, uncover plants. Leaving covers on during the day can trap heat and cook the tender new growth, especially under the sun. The only exception is true frost cloth designed for all-day use, which allows air, light, and moisture to pass through. Regular blankets, sheets, and plastic must come off as soon as the sun rises.

Do not cut anything yet. A plant can look completely dead after a freeze, but many branches are still alive under the bark. Cutting too soon removes wood that would recover on its own. Wait until new growth begins in spring. That is when you can see exactly which branches are truly dead.

Use the scratch test. Gently scratch the bark with your nail or a small knife. If the layer underneath is green, the branch is alive. If it is brown and dry, it is likely dead. But even then, wait until warm weather to be sure, because sometimes only the tips die back while the lower part of the branch survives.

Once the weather stabilizes, resume light feeding. Plants coming out of cold stress need gentle support, not heavy fertilizer. A mild liquid feed like Sunshine Boosters helps them rebuild roots and push new growth without burning tender tissue.

Dwarf Ceiba Pink Princess (Grafted) - a unique compact cultivar covered with pink flowers in Winter. Watch short video: How this breath-taking flowering tree stays so compact.

WHAT NOT TO DO

• Do not prune right after a freeze.
• Do not overwater cold soil.
• Do not fertilize heavily until spring.
• Do not leave covers on in full sun.

CLOSING THOUGHT

Your tropical garden can survive any cold night if you prepare right. Cold snaps always feel stressful in the moment, but once you know your plants, have the right supplies, and follow a simple plan, it becomes routine. A few minutes of preparation before dark can save months of growth and keep your collection healthy all winter.

Frost cloth is the true workhorse of cold protection: it keeps heat in, keeps frost off, and will not suffocate plants the way plastic or blankets can. Having a few rolls ready means you never have to scramble at the last minute. Sunshine Boosters give your plants gentle support during the colder months so they stay strong enough to bounce back quickly when warm weather returns.

A little planning now will pay off in spring, when your mango, banana, citrus, and all your favorite tropicals come back happy and ready to grow.

🛒 Shop Garden Supplies

Add Heat Pack to your plant order

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In the photo: Sunshine and Mango, our friendly Customer "Service Animals" will be happy to give you a tour of the farm, including Sunshine Boosters selection and Mango Collection!

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Take your time and browse through our extensive collection, and don't hesitate to ask our knowledgeable staff for advice or assistance. You'll love being able to handpick your own garden gems straight from the grower. Whether you're a seasoned gardener or just starting out, we have something for everyone. So come on down and see for yourself...

P.S. Our Garden Center in Ft Myers is open as usual, 7 days a week

True love of Night Blooming Jasmine

By Onika Amell, tropical plant specialist

Q: I live in New Cumberland, West Virginia. I love the smell of Night-Blooming jasmine. Is it possible to grow it in the northern panhandle of West Virginia? Do I have to plant it every year or do I keep it in a pot and take it inside during the winter months?

A: Technically, Night Blooming Jasmine is not a true jasmine (those plants belong to Oleaceae, or Olive family). Night Blooming Jasmine belongs to the Solanaceae family, also known as the Nightshade or "Potato" family of plants. Yes, this sweet fragrant flower called Jasmine for its perfume is related to potatoes and tomatoes!
Night Blooming Jasmine - Cestrum nocturnum - is loved by many gardeners for its beautiful fragrance at night. It is one of the most fragrant tropical evergreen shrubs available. Cascading clusters of tiny, tubular pale yellow to white flowers open at night and release a heavenly fragrance throughout the garden, especially on warm summer evenings. The fragrance is much lighter during the day. Night Blooming Jasmine is grown year-round in zones 9-11. It is at its happiest in a sunny to a partially sunny spot in your garden in well-drained soil but can be grown in cooler climates as a container or greenhouse plant.
You would absolutely be able to enjoy this plant during the warm months in West Virginia, but it will most certainly not survive outside during the winter. You will have to bring it inside. Take it outside again only once you are confident there is no more possibility of frost. When grown indoors, be sure to give it the sunniest, South facing window in your home. When grown in a container, you will need to re-pot it every two to three years so it doesn't become root-bound.
For those who are lucky to live in frost-free areas, in ideal growing conditions outside, it can easily reach 8 feet with a spread of 5 feet. It has a lovely informal look that can soften a more manicured garden. Add organic matter to the planting hole when you plant to enrich the soil around the root ball. Water well in the summer, but allow them to dry out a bit between watering in the winter. Plant this Jasmine near pools, porches, doors, windows, and walkways where its lovely fragrance can be enjoyed. The shrub is also an excellent plant for privacy hedges and screens. When grown as a hedge, plant 3 feet apart.
Trim lightly after a bloom cycle to shape and then do a hard pruning in fall or spring to control the size of this plant. Fertilize 3 times a year - in spring, summer, and autumn - with a good quality granular fertilizer.

Recommended fertilizers:

Pink N Good Daily Plant Food - Flower Booster
Tropical Allure - Smart-Release Booster

Interesting facts:

Night-blooming jasmine is an excellent mosquito repellent. The powerful scent of the flowers attracts moths and bats that feed on mosquitoes and other small insects.
The flowers of the Night Blooming jasmine are widely used in India and other countries of South Asia for perfumery, medicinal applications and in religious ceremonies.

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