Garden Blog - Top Tropicals

Date: 22 Oct 2025

💞 Cassia or Bauhinia?

Collage of Cassia and Senna flowering trees: 1 – Cassia bicapsularis (Butterfly Bush), 2 – Cassia x natalensis (Rainbow Cassia), 3 – Cassia grandis (Red Cassia), 4 – Cassia didymobotrya (Popcorn Cassia), similar to Senna alata (Empress Candles), 5 – Cassia javanica (Apple Blossom Tree), 6 – Cassia roxburghii (Ceylon Senna), 7 – Cassia fistula (Golden Shower Tree), 8 – Cassia x nodosa (Pink Shower).

Looking for a small tree that blooms like fireworks but still fits on your patio? We hear this question all the time at Top Tropicals: Cassia or Bauhinia? Both are tropical showstoppers, but they shine in very different ways.

🌞 Cassias: Sunshine Fireworks

Cassia trees are some of the most rewarding tropical bloomers you can grow. Fast-growing, free-flowering, and surprisingly cold-tolerant, they thrive in full sun and summer heat. Their bright clusters come in shades of yellow, orange, pink, red, and even multicolor blends. The famous Rainbow Cassias show swirls of coral, gold, and rose on the same tree, creating a living fireworks display.

For gardeners in warm regions, these trees become spectacular focal points in the landscape. In containers, compact yellow forms like Cassia didymobotrya (Popcorn Cassia) and Senna alata (Empress Candles) stay manageable and bloom freely through summer.

Cassias can also be grown in pots with pruning and patience. Once mature, they reward you with breathtaking color that turns any patio or pool deck into a tropical show. Most showy cassias (numbers correspond to the photos in the collage above):

  1. Cassia bicapsularis (Butterfly Bush) - is a fast-growing, low-maintenance shrub covered in bright yellow, butterfly-like blooms from fall through winter.
  2. Cassia x natalensis (Rainbow Cassia)
  3. Cassia grandis (Red cassia) - a medium size tree having profuse blooms of dark pink to crimson flowers throughout the Spring.
  4. Cassia didymobotrya (Popcorn Cassia), small tree producing golden-yellow flowers with a distinct scent of peanut butter that open from brown buds in late summer and autumn. Similar to Senna alata (Empress Candles)
  5. Cassia roxburghii (Ceylon Senna) - graceful tree with spreading, drooping branches appearing to be overweighed by its wealth of clustering red blossoms.
  6. Cassia x nodosa (Pink Shower) - is a spectacular medium-sized, fast-growing tree with cascading clusters of fragrant pink-and-white appleblossom blooms in spring and summer.
  7. Cassia fistula (Golden Shower) - to many tropical gardeners, the most beautiful of cassias with masses of bright gold flower clusters appear on almost every branch.
  8. Cassia javanica (Apple Blossom) - dazzles with dense clusters of pink-to-white blossoms that change shades as they bloom, creating a spectacular display that lasts for months.
"Cassias love the heat and sunshine," says Tatiana Anderson, Top Tropicals Plant Expert. "They are perfect for anyone who wants big bursts of color and doesn’t mind giving them space and light to grow."

👉 Explore Cassia Trees

Bauhinia Magic: Orchid-Like Blooms in a Compact Size

Collage of Bauhinia orchid trees: top left – Bauhinia acuminata (Dwarf White Orchid Tree), middle left – Bauhinia blakeana (Hong Kong Orchid Tree), bottom left – Bauhinia monandra (Napoleon’s Plume Orchid Tree), top right – Bauhinia madagascariensis (Red Dwarf Orchid Tree), and bottom right – Bauhinia tomentosa (Yellow Orchid Tree)

Bauhinia orchid trees: top left – Bauhinia acuminata (Dwarf White Orchid Tree), middle left – Bauhinia blakeana (Hong Kong Orchid Tree), bottom left – Bauhinia monandra (Napoleon’s Plume Orchid Tree), top right – Bauhinia madagascariensis (Red Dwarf Orchid Tree), and bottom right – Bauhinia tomentosa (Yellow Orchid Tree)

Bauhinia trees known as Orchid Trees, bring a touch of tropical luxury to any space. Their butterfly-shaped leaves and orchid-like blossoms appear in shades of red, pink, purple, white, and yellow, often lasting up to ten months a year. Bauhinias are ideal for gardeners who want nonstop color in a manageable size. Most species grow well in large pots and bloom young, often within the first season.

The following compact varieties stay neat and flower almost continuously in warm weather:

The Hong Kong Orchid Tree is especially prized because it is sterile and produces no messy seed pods, keeping patios clean. Grafted Buhinia blakeana trees begin blooming while still small, making them perfect for containers or tight spaces.

"Bauhinias are generous bloomers," Tatiana explains. "They respond beautifully to regular feeding and full sun. If nights turn too cold, just move the pot to a sunny porch - they’ll keep their tropical charm most of the year."

Give them full sun, regular fertilizer, and a well-drained mix such as Sunshine Abundance, and they will reward you with months of vivid blooms. When nights turn too cold, simply move the pot to a sunny porch or bright window. Bauhinias adjust beautifully and keep their tropical grace year after year.

🎥 Watch Short Videos:

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👉 Explore Bauhinias - Orchid Trees

Date: 10 Nov 2025

❄️ How to Prepare Your Tropical Garden for Winter

Two cats in a tropical garden at sunset. Smokey, a black-and-white tuxedo cat wearing a wool cap, holds a thermometer while Sunshine, a fluffy orange tabby, sits beside mulch and folded frost cloths surrounded by banana and hibiscus plants.

Smokey and Sunshine Wrap Up the Garden with Frost Cloth Before the Chill.

Smokey: "Thermometer says 45. Time to wrap the bananas!"
Sunshine: "You wrap the bananas. I’ll guard the mulch… from this sunny spot."
Smokey: "Teamwork, Sunshine. Teamwork."

🌡️ Cold nights are coming - but your tropicals do not need to shiver!

Even in sunny Florida and other warm zones, one cold snap can undo months of growth. Preparation is everything. Tropical plants can handle a lot, but they dislike surprises. Let’s make sure your garden stays safe, strong, and happy all winter long.

Tips from Tatiana Anderson, Top Tropicals Plant Expert

👉 Group and Check Your Plants

You already know which plants are in pots and which are in the ground. What matters now is prioritizing by cold sensitivity. Identify the tender tropicals – papaya, banana, plumeria, adenium, heliconia – and decide which ones get covered first when temperatures drop. Keep frost cloths or old sheets near those areas, ready to grab fast. If your garden is large, label protection zones or mark plants that always need extra care. The goal is to have a plan, not a panic, when the cold alert hits.

Once you know your priorities, you can plan the rest of your protection strategy.

👉 Feed and Mulch

Stop using high-nitrogen fertilizers by late fall. They push soft new growth that freezes easily. Add compost around the base of your plants and top with 3 to 4 inches of mulch. Mulch acts like a blanket: it keeps warmth in, protects the roots, and keeps soil moisture steady. Just make sure the soil drains well; cold and soggy soil leads to root rot. In raised beds, check that water flows away easily.

After you feed and mulch, it is time to look at how your local zone changes the game.

👉 Zone-by-Zone Tips

Woman sitting between two large potted tropical plants on a wooden deck in front of a house, preparing to move them indoors for the winter.

Moving Tropical Plants Indoors for Winter Protection

  • Zone 10: You are lucky! This is mostly a maintenance season. Watch for root rot after heavy rain, trim lightly if needed, and protect tender young trees during surprise chills. Keep some frost cloth ready just in case.
  • Zone 9: This is the main action zone. Nights can dip into the 30s. Deep-water your trees once before cold nights to insulate the roots. Apply heavy mulch, and have frost protection ready to go. If you grow tropical fruit like mango or guava, consider wrapping young trunks in burlap or foam pipe insulation.
  • Zone 8: This is where tropical gardening becomes creative. Stick to cold-hardy tropicals such as loquat, guava, or cold-hardy avocado varieties. Use portable greenhouses, wrap trunks, and move smaller plants indoors or to a heated porch when frost threatens.

Now that the garden beds are set, let’s look at your pots and containers – your most mobile plants.

👉 Container and Patio Plants

Potted plants are the easiest to protect but also the quickest to freeze. Start reducing watering now so roots do not stay too wet in cooler weather. Before moving them, check for insects hiding under leaves or in the soil. Group your pots close to a wall for reflected heat and wind protection. If you plan to bring them indoors, do it gradually. Move them closer to the house for a few days before bringing them all the way inside to help them adjust to lower light and humidity.

When the chill starts, many gardeners rush to move everything inside at once – but a smooth transition works much better.

👉 Indoor Plants

When bringing plants inside, give them a good rinse to remove dust and bugs, and flush the soil to wash out salts from summer fertilizing. Keep them separate from your houseplants for a week to make sure no pests come along. Expect some leaf drop – it is normal as they adjust to lower light. Give them bright light near a window, and cut watering by about half until spring. Avoid misting too much; good airflow matters more than humidity during winter.

Many tropicals, like hibiscus, brugmansia, and crotons, may look tired for a while, but they will bounce back quickly once days get longer.

👉 Timing Is Everything

The key is to prepare before the first cold warning. Check your weather app regularly once nights start dropping into the 50s. Keep covers, mulch, and supplies ready so you are not running outside at midnight with a flashlight and a frozen hose. Have your frost cloths labeled by plant group and stored in an easy spot. A little organization now saves a lot of stress later.

Many tropicals, like hibiscus, brugmansia, and crotons, may look tired for a while, but they will bounce back quickly once days get longer.

Remember: the goal is to help your plants rest safely. Many gardeners prune or fertilize too late in the season – we will talk about why that can be risky next week." — says Tatiana Anderson, Top Tropicals Plant Expert

Coming next mail-list: The best gadgets for cold protection (lights, heaters, frost covers) and what NOT to do in winter.

📚 Learn more from Top Tropicals Blog:

Cold protection - winter action for your plant collection

What plants are good to order in Winter?

How to take care of house plants in Winter

How to protect tropical plants in Winter

How to take care of a mango tree in winter

How to protect Avocado from cold

Overwintering Adeniums outside of tropics

Rows of tropical plants in black pots covered with frost cloth and plastic sheeting for winter protection at Top Tropicals nursery.

Protecting Tropical Plants with Frost Covers at Top Tropicals Nursery

Date: 16 Nov 2019

Meet PeopleCats of TopTropicals. Charlie, the Indoor Hunter

Carlie was a kitty drop off with LadyBug, Rickie, and Purry.
Charlie is Jamie's baby. She has an attitude of a teenager, one minute she loves you and the next - wants nothing to do with you. Carlie stays with the inside PeopleCats, she says it's too big in the outside world for her and she gets scared. Carlie has a fun game (fun to her): she plays around 2:00 am in the morning, she loves to drag random items down the hall (socks, toys, shirts, even blankets) in her mouth MEOOOWWWING as loud as she can. She then sets the items down on her human's bedroom rug and waits for her human to say thank you. We're pretty sure her hunting instinct is off...

Check out and more Cat of the Day stories.

2019, from Top to Bottom: Moe, Charlie, Bagheera, and Snitch. 2016: Charlie

From left to right: Purry, LadyBug, Charlie, and Ricki - 2016

Date: 29 Nov 2020

Cold protection of tropical container plants

Q: I am long time customer of yours, I live in San Diego California and while the summer and Fall temperatures are warm to mild, the winter temperatures dip to a point where some tropicals die off. We are experimenting with different variations of way to heat and insulate the pots we have the tropicals planted in as a way to keep them alive during the colder winter months. I was wondering if you knew of the ideal soil temperature for these tropical in order to look their best year round. All of the heaters we have installed have thermostats and temperature adjustments so we can now keep the soil anywhere between a range of between 65-75 degrees. Any advise you can provide would be greatly appreciated.

A: This is a very interesting concept you are working with. Indeed, keeping pots/roots warm, may help a lot! We've been experimenting with cold protection for a long time - for the above-ground plant parts. For sure keeping roots protected (even with a thick layer of mulch) will benefit tropical plants during winter. In case with container plants, this may help dramatically.
The guideline is, tropical plants slow down or stop their metabolism at 65F. As long as you can keep soil above that temperature - this should work great. Of course, the higher the better.
Optimum temperature for growing tropical plants in general - 70-85F. Above 90F, metabolism stops too, unless it's a heat tolerant, desert plant.

More information on winter cold protection of tropical plants and zone pushing:

Greenhouse in Virginia
Plumeria cold protection
Ghost Cold Protection
Seven rules of cold protection for tropicals
About Cold Protection
Cold protection - winter action for your plant collection
Tropical Treasures articles on zone pushing.

Date: 28 Sep 2025

Guava Tree Plant Care

Tips from Top Tropicals Plant Expert - Tatiana Anderson

Guava trees for sale in 3-gallon nursery pots, healthy young plants with green foliage.

Where to Plant Outdoors

Guavas love full sun — aim for 6–8 hours of direct light. They’re adaptable to many soils but do best in well-drained, organic-enriched mixes. Plant them in a spot where you can water easily; guavas are thirsty trees during fruiting.

Container & Indoor Growing

Don’t have space or live in a cooler climate? Guavas thrive in large pots. Use well-drained potting mix. LINK TO OUR SOIL Keep them on a sunny patio during warm months and bring them indoors when nights dip below freezing. Compact varieties like Dwarf Hawaiian Rainbow or Tikal are especially good for pots.

Winter Care

Mature guavas can handle a light frost (down into the high 20s F), but young plants need protection. If planted outdoors, cover them with frost cloth on cold nights. Container guavas can be wheeled into a garage, greenhouse, or bright indoor window until the weather warms.

Watering and Fertilizing

Water deeply once or twice a week, more often in hot weather or when fruit is developing. They don’t like soggy soil, but they won’t complain about short floods either. Fertilize 3–4 times a year during the growing season with a balanced fruit tree fertilizer. Guavas especially love potassium and phosphorus for strong flowering and heavy crops. We recommend liquid crop booster Sunshine C-Cibus and balanced controlled release fertilizer Green Magic.

Pruning

Prune after fruiting to keep them compact and open up airflow. Remove crossing or dead branches. In containers, trim back vigorous shoots regularly to manage size and encourage more fruiting wood.

Pests and Problems

Guavas are generally tough and pest-resistant. The main thing to watch for in humid or rainy climates is mealybugs - those cottony white clusters on leaves or stems. They're easy to manage with neem oil or a quick spray of horticultural soap.

Fruit time

Guavas fruit young - often within a year or two.

Pollination

Guavas are self-pollinating, so you'll get fruit even with a single tree. Planting more than one tree, however, often boosts harvests and gives you a longer fruiting season.

If you've ever wanted instant gratification from a fruit tree, guava is it.

Ruby Supreme Guava tree with a large ripe yellow fruit, variety known for sweet pink flesh and reliable harvests.

🍴 Guava Recipes

With all that fruit, the next question is always: "What do I do with it?" Here are our favorites:

  • Cas Guava: Make Agua de Cas

    Boil halved Cas Guava fruits with sugar, simmer, strain, and bottle. Dilute with water when serving. The concentrate keeps for months in the fridge.
    Check out the recipe.

  • Hawaiian Gold: Make Drinks

    Perfect for Mojitos or Margaritas. Sweet, tangy juice pairs beautifully with lime and mint. Learn more

  • Araca Pera: Guava Wine

    Famous in Brazil, where the fruit is turned into a vibrant rosу wine. Locals say it’s the taste of summer in a glass — and yes, you can make it at home too. Learn more...

  • Quick snack: Guava Grilled Cheese

    Spread guava paste or fresh mashed fruit with cheese, grill until golden. Sweet and savory heaven. Learn more...

  • Simple Guava Juice

    Blend ripe guavas with water, ice, and a little sugar if you like. Instant refreshment.

✅Ready to Grow? Whether you want fresh juice, sweet fruit, or even your own guava wine, we’ve got the best varieties in stock right now. Your future self, sipping guava juice on a hot summer afternoon, will thank you.

👉 Order your guava tree today

Tabby cat sitting between a glass of yellow guava juice with white guavas and a glass of pink guava juice with green guavas and cut pink guava fruit.

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