How to protect tropical plants in Winter

Winter tips and podcast

Photo above: wrapping plants with frost cloth

Winter can be tough on plants, especially on tropical varieties. But with a little preparation, you can protect your garden and keep your plants safe from the cold. Here's how:

Winter Care Tips for Tropical Plants

Cut watering: Reduce watering to prevent root rot. Cold + wet = dead roots.
Water before frost: Thirsty plants are more vulnerable. Water them before a cold night to prevent damage.
Wind protection: Wind is more harmful than temperature drops. Plant near structures like houses or trees for shelter.
Prepare for long cold periods: If cold weather lasts for hours, use all available protection, including Christmas lights and propane heaters.
Don't use dry fertilizer in winter: Heavy fertilizing encourages tender growth, which is more susceptible to cold damage. Sunshine Boosters liquid fertilizers are safe to use year around as their intake is controlled by reduced watering.
Use fabric covers, not plastic: Plastic can cook plants in the sun, while fabric allows better ventilation.

Photo above: we cover our plants in the nursery with a thin synthetic fabric (sintepon) called "frost cloth" or "strawberry cloth". It is light, breathable and allows light and water to go through unlike plastic that creates heavy water pockets.

Prepare for Cold Nights

Wrap plants: On cold nights, cover individual plants or trees with sheets or blankets to shield them from wind chill.
Use Christmas lights: A simple string of lights can add extra warmth, protecting your plants during frosty nights.
Use propane heaters: For added warmth in a larger area, place a propane heater near your plants. Make sure to follow safety guidelines and keep the heater at a safe distance from flammable materials. This can help maintain a few extra degrees of warmth, especially in more open garden spaces or temporary greenhouses. Always ensure proper ventilation to avoid harmful gas buildup.

Photo above: we use both propane and kerosene heaters at the nursery

Large Collections? Build a Temporary Greenhouse

Affordable winter greenhouse: For large plant collections, you don't need an expensive greenhouse. A mobile carport with plastic or fabric covering, costing around $200, can house up to 100 plants!

Photo above: Temporary wrapping around plant collection with a plastic or frost cloth protects from a windchill. It may also win you a few degrees even without a heater. In this particular case, according to our temp sensors, with 30F outside, it was 41F inside this "dome", no heaters used.

Southern Exposure and Garage Storage

Southern windowsills: Compact tropicals can thrive on southern-facing windowsills, getting plenty of sunlight during the day.
Move plants inside: If you have larger collections, move them into a well-lit garage for the colder nights or longer periods.

Photo above: using Christmas lights around plants while wrapping with frost cloth.

Key Factors for Survival

Cold duration: Tropical plants can survive brief cold spells but long durations, even above freezing, can be deadly.
Wind-chill: Wind chill can be harsher than the temperature itself.
Exposure: Southern-facing slopes hold heat longer, making them ideal for your plants.
Humidity: Proximity to lakes or oceans can create a milder micro-climate.
Gradual temperature Drops are safer. Plants adjust better to slow temperature changes than sudden cold blasts. Gradual cooling allows plants to prepare, reducing the risk of damage.

Strengthen Plant Hardiness

Health and maturity: Well-established, healthy plants are more cold-hardy.
Boost plant immunity: Use products like SUNSHINE-Epi to improve cold resistance. Apply it before and during cold snaps to protect your plants.
Healthy plant is hardy. Make sure to fertilize your plants on regular basis - healthier and stronger plants are more cold hardy.

With these steps, you can protect your plants and help them survive the winter months. Stay warm and keep your garden thriving!

Podcast with Horticulturist Mark Hooten:
How to Protect Tropical Plants in Winter

🌞 Spring Nutrition Strategy: How to Identify and Fix Plant Nutrient Starvation

Fellow gardeners,

Spring has arrived, and plants are coming back to life. New shoots are appearing, fresh leaves are unfolding, and roots are beginning to grow actively again. As plants enter this important stage of the season, they need more than just water to support their growth. Proper nutrition is essential for strong development and healthy plants. SUNSHINE Boosters provide the balanced nutrition plants need to start the growing season strong.

A simple rule we follow in our nursery: new growth responds best to foliar feeding. When nutrients are sprayed directly on the leaves, plants can absorb them quickly and efficiently.

• Immediate action – nutrients are absorbed through the leaves and start working right away.
• No delay traveling through soil – plants do not need to wait for nutrients to move down to the roots.
• Avoids soil lockout – micronutrients can become unavailable in high pH soils, but foliar feeding bypasses this problem.
• Supports stressed plants – when roots are cold, damaged, or newly transplanted, foliar feeding helps plants recover faster.

However, sometimes plants begin to show visible nutrient deficiencies. Yellow leaves, slow growth, brown leaf edges, or distorted new leaves are often early signs that the plant is missing essential elements needed for healthy development.

Piper sarmentosum - Vietnamese Pepper - with fertilizer (left) and without (right)

Chaa-plu Plant Facts

Botanical name: Piper sarmentosum
Also known as: Chaa-plu, Vietnamese Pepper, Lalot, La Lot, Wild Betel Leaf

USDA Zone: 9 - 11

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These symptoms are especially common in container plants, where nutrients can be quickly depleted or become unavailable due to soil pH and watering conditions.

Use the quick reference table below to identify common nutrient-related symptoms and the recommended SUNSHINE solution to correct them.

🌿Foliar Feeding: How Much and How Often

For most plants, foliar feeding works best when applied lightly and regularly during active growth.

• Regular feeding (maintenance): Mix with tap water according to the ratio on the label. For SUNSHINE Robusta use 25 ml (5 tsp)per gallon of water and spray leaves every 5-7 days during active growth.
• Correction feeding ("medicine" dose): if plants show visible nutrient deficiencies, combine SUNSHINE Robusta with SUNSHINE Superfood and spray every 5–7 days until new growth appears healthy. All SUNSHINE Boosters products are compatible and can be mixed with water in the same sprayer.
• Best time to spray: early morning or evening when temperatures are cooler and leaves can absorb nutrients efficiently.
• Important: spray both the top and underside of leaves for maximum absorption.

🛒 Feed your plants

SUNSHINE Boosters: The Professional Advantage

By Tatiana Anderson, Horticulture Expert at Top Tropicals with Smokey & Sunshine help

Here is why SUNSHINE Boosters are the smart choice for your garden this spring:

• Amino Acid Stability: Unlike traditional fertilizers that use synthetic EDTA chelators, our formulas are amino-acid based. This means 100% of the nutrients are bioavailable and consumed by the plant, leaving zero toxic residues or salt build-up in your soil.
• Safe for Every Watering: Because our concentrations are scientifically balanced and mild, they are safe for daily use. This eliminates the "feast or famine" cycle of dry fertilizers and prevents accidental root burn.
• Pure Taste for Edibles: Our delicate formulas do not contain excess salts, urea, or ammonium salts that can ruin the flavor of your harvest. Your fruit and vegetables will retain their pure, natural taste.
• Pollinator Friendly: Our boosters are designed to be safe for honeybees and other beneficial insects, making them the responsible choice for an organic-style garden.

🌿For Potted Plants: Breaking the "Foodless" Cycle

Container-grown plants are trapped in soilless mixes (peat, bark, perlite) that are structurally great but naturally nutrient-deficient.

• Total Nutrition: Since pots lack the natural "buffet" of the ground, SUNSHINE Boosters™ provide every essential mineral the plant cannot find on its own.
• No Salt Build-up: Our amino-acid based formulas are consumed entirely by the plant, leaving zero toxic residue or root-burning salts behind.
• Daily Safety: Our mild concentrations eliminate the "feast or famine" cycle of dry fertilizers, making them safe for use with every single watering.

For In-Ground Plants: Unlocking the Soil

Even in the ground, plants often struggle to absorb what they need because soil compounds can "lock up" nutrients.

• Enhanced Solubility: SUNSHINE Boosters create a slightly acidic environment that helps dissolve stubborn salts in the soil, making them accessible to roots again.
• Precision Delivery: We provide mobile elements like Nitrogen precisely when the plant needs to push new spring growth.

🌿The Foliar Advantage: Direct-to-Leaf Delivery

Did you know a plant leaf can absorb nutrients even more efficiently than the roots? Foliar feeding is your "emergency button" for instant results.

• Quick Fix: Foliar applications with Sunshine Superfood are the fastest way to correct yellowing leaves or visible deficiencies.
• Metabolism Boost: Sprays like SUNSHINE-Epi act as a bio-regulator, helping plants recover from the stress of spring temperature swings.
• Better Fruit: SUNSHINE Honey is applied to leaves to naturally move sugars to the fruit, increasing sweetness and flavor.

🌿The Calcium Problem: Solved

As your plants wake up this Spring, they need structural strength. Think of Calcium as the "cement" that holds plant cells together. Without it, new spring growth is doomed to fail.

Signs Your Plant is Starving for Calcium:

• Deformed Leaves: New growth looks twisted, hooked, or curled.
• Blackened Tips: The very edges of young leaves turn white, then quickly blacken and die.

The Industry Secret: The "Missing" Mineral

Most fertilizers, both dry and liquid, completely skip Calcium. Why? Because it’s a chemical nightmare to keep stable in a concentrated solution. Most manufacturers rely on your irrigation water to deliver Calcium, but tap water is inconsistent and often fails to provide what a hungry, growing plant needs.

The SUNSHINE Boosters: Stable Calcium in Every Bottle

We have successfully stabilized Calcium directly into every single Sunshine Booster formula. Whether you are using Bombino, Robusta, or Megaflor, you are delivering a precise, stable dose of Calcium with every watering. No lockout, no sediment, and no relying on the "luck" of your tap water. Just strong, healthy cell walls and perfect spring growth.

🌿SUNSHINE-Epi: The Year-Round Bio-Regulator

Whether it’s the transition of spring, the extreme heat of summer, or the dry air of indoor wintering, SUNSHINE-Epi is your plant’s primary defense. This natural Brassinosteroid acts as a powerful immune booster, helping plants navigate stress wherever it comes from.

• Universal Stress Shield: Protects against temperature swings (both heat and cold), drought, and transplant shock.
• Vigorous Development: Dramatically improves root growth and speeds up the metabolism of young seedlings and cuttings.
• Eco-Safe: 100% non-toxic to humans, pets, and pollinators.

Note: While Epi is highly effective, it is a performance booster, not a substitute for proper care. It works best when paired with the right light, water, and a consistent feeding program. It won't bring a dead plant back to life, but it will help a struggling one find its footing.

🛒 Feed your plants

❓Frequently Asked Questions: SUNSHINE Boosters™

• What water should I use for foliar spraying?
  Tap water works perfectly for most. However, if your water is very "hard" (leaving white mineral spots on leaves), switch to distilled water for a cleaner finish and better absorption.
• How long does a diluted solution last?
  For maximum potency and to avoid nutrient degradation, try to use your diluted mixture within a few hours of preparation. Keep away from direct sun. Fresh is always best!
• Can I use SUNSHINE Boosters as a daily foliar spray?
  Yes! You can mist your plants daily to maintain high vigor, but you must reduce the dosage (use half the recommended strength) to avoid over-feeding.
• Can I mix boosters with pesticides or fungicides?
  It is best to apply them separately. Mixing fertilizers with chemical pesticides in one tank can trigger reactions that "lock out" nutrients or reduce the efficacy of the treatment.
• Will the liquid stain my patio or hands?
  No. Unlike traditional fertilizers with heavy blue or pink dyes, our solutions are clear or very light-colored. If you spill it, simply rinse with water—no stains, no mess.
• Can I mix different SUNSHINE Boosters together in one sprayer?
  Yes. All SUNSHINE Boosters are chemically compatible. You can combine a "growth" booster like Robusta with a "micro-element" complex like Superfood in the same water to save time.
• Are these products safe to use around my pets?
  Absolutely. Our formulas are 100% non-toxic and amino-acid based. Just ask Smokey and Sunshine—they are perfectly safe for households with curious cats, dogs, and children.
• Can I use these boosters on indoor plants?
  Yes. They are ideal for indoor use because they don't produce a "fertilizer smell" and won't cause salt crusting on your decorative pots or furniture.
• Is it safe to use on fruit and vegetables I plan to eat?
  Yes. Because our formulas contain no urea, nitrates, or harsh salts, they don't leave a "chemical" aftertaste. They actually help improve the natural sugars and flavor profile of your harvest.
• What is the best temperature for foliar spraying?
  Apply when temperatures are below 85°F. Early morning or late evening is best; this allows the leaves to remain wet longer, giving the plant more time to absorb the nutrients.

🛒 Feed your plants

✍️ Learn more about fertilizers

🌱 💪 Green Magic + SUNSHINE Boosters: A Complete System for Strong Plant Growth

By Tatiana Anderson, Horticulture Expert at Top Tropicals with Smokey & Sunshine help

☀️🌱 Sunshine Boosters: Complete Plant Nutrition

Sunshine Boosters provide complete plant nutrition, including Calcium and micronutrients that plants need for strong growth. Because nutrients are delivered in liquid form, plants can absorb them quickly and respond almost immediately.

The Practical Problem

Liquid feeding works well, but it requires frequent application. In real gardens, many growers simply do not have time to add liquid fertilizer with every watering.

Green Magic: The Foundation

Green Magic solves this problem by providing steady background nutrition through controlled-release fertilizer. It feeds plants gradually, so they continue receiving nutrients even between liquid feedings.

Why This Combination Works

Together, this system provides both complete nutrition and steady feeding. Sunshine Boosters supply fast nutrients and Calcium, while Green Magic maintains a stable nutrient supply between feedings.

✍️ How to Feed Your Plants

📅 Step 1 – Start of the Growing Season

• Apply Green Magic around the root zone every 6 months.
  
  In ground:
  • Small Shrubs (1–3 feet): Use approximately 1/4 to 1/2 cup per plant
  • Established Trees: Use 1/2 lb to 1 lb of product per 1 inch of trunk diameter.
  • Small In-Ground Ornamentals: A common "spoon" rate is roughly 1 teaspoon per gallon of estimated root volume (or per sq. ft. of surface area).
  • Spread evenly around the dripline. Avoid piling the granules against the base or trunk of the plant. For best results, lightly rake the granules into the top 1–2 inches of soil.
  Container plants:
  • Apply 1 tea spoon per 1 gal of soil (mix in with soil) every 6 months during active growth period, or with every re-potting.
• Water normally after application.
• Adjustment for Temperature. Because Green Magic is temperature-controlled, adjust your rate if your local climate is extreme:
  • Cooler Climates (<60°F average): Increase the rate by 20% to ensure enough nutrients are released.
  • Hot Climates (> 80°F average): Decrease the rate by 20% to prevent over-releasing as the heat speeds up the process.

☀️🌿 Step 2 – Active Growing Season

• Apply Sunshine Boosters during the growing season.
• Regular feeding (maintenance): Mix with tap water according to the ratio on the label. For SUNSHINE Robusta use 25 ml (5 tsp)per gallon of water and spray leaves every 5-7 days during active growth.
• Correction feeding ("medicine" dose): if plants show visible nutrient deficiencies, combine SUNSHINE Robusta with SUNSHINE Superfood and spray every 5–7 days until new growth appears healthy. All SUNSHINE Boosters products are compatible and can be mixed with water in the same sprayer.
• Best time to spray: early morning or evening when temperatures are cooler and leaves can absorb nutrients efficiently.
• Important: spray both the top and underside of leaves for maximum absorption.

📊 Seasonal feeding schedule with Green Magic and Sunshine Boosters.

Quick Dose Reference

• Green Magic: 1 teaspoon per 1 gallon of soil volume.
• Sunshine Boosters: 25 ml (5 tsp) per 1 gallon of water.
• Pro Tip: Always spray in the early morning or late evening to prevent leaf scorch and ensure maximum absorption through the stomata.

❓Frequently Asked Questions: Plant Nutrition & Fertilizer

General Fertilizer Concepts

Why is the "Spring Fertilizer Rush" a problem?
Most gardeners apply a large amount of traditional fertilizer once in March. This creates a "roller coaster" effect where plants get a sudden spike of nutrients followed by weeks of starvation. This leads to inconsistent growth and potential "fertilizer burn."

What is "fertilizer burn"?
Traditional fertilizers are made of soluble salts. When too many salts accumulate around the roots, they actually pull water out of the plant tissues (osmosis), dehydrating the plant and damaging sensitive root tips and leaf edges.

Is there a difference between "Slow-Release" and "Controlled-Release"?
Yes.

• Slow-Release: Relies on natural factors like moisture and soil microbes to break down. It is often unpredictable.
• Controlled-Release: Uses engineered polymer membranes (like Polyon) to release nutrients at a specific, predictable rate based primarily on temperature.

Green Magic & Temperature

How does temperature affect my fertilizer?
Most fertilizers are lab-tested at 75°F. In hot climates (90°F+), the nutrients release much faster. A "6-month" fertilizer might only last 3 months in the summer heat.

How should I adjust Green Magic for my local weather?

• Cooler Climates (<60°F): Increase the application rate by 20%.
• Hot Climates (> 80°F): Decrease the application rate by 20% to prevent over-releasing.

The Calcium Gap

Why doesn't Green Magic contain Calcium?
Calcium salts are highly soluble and can destabilize the polymer coating used in controlled-release granules. Therefore, most high-quality granules leave Calcium out. You can provide Calcium by using SUNSHINE Boosters

Why is Calcium so important for new growth?
Calcium is the "bone" of the plant, building strong cell walls. Unlike other nutrients, it is immobile—the plant cannot move it from old leaves to new ones. If you don't provide a constant supply, new leaves and fruit will emerge distorted or weak.

Advanced Science & Troubleshooting

What makes Sunshine Boosters "Bioavailable"?
Unlike most liquid fertilizers that use EDTA chelators, Sunshine Boosters are amino-acid based. They use organic acids and glycine to escort minerals into the plant, allowing it to incorporate nutrients into its proteins almost immediately.

Will these fertilizers affect the taste of my fruit?
No. Sunshine Boosters are made from pharmaceutical-grade components and contain no urea or harmful salts, ensuring your harvest (like Mangoes or Avocados) has a pure, natural flavor without a chemical aftertaste.

Avocado Plant Facts

Botanical name: Persea americana, Persea gratissima
Also known as: Avocado, Alligator Pear, Aguacate, Abacate

USDA Zone: 9 - 11

Highligths

Make this plant work in your climate

Get personalized tips for your region

✨ Green Magic - 15% Off This Week

🛒 Feed your plants

✍️ Learn more about fertilizers