Garden Blog - Top Tropicals

Date: 19 Jul 2025

☀️ When tropical plant takes a Summer break

Tropical landscape

Why your plants might stop growing in mid-Summer
and what to do about it

Q: Why some tropical plants stop growing when it gets too hot? Aren't they supposed to like the heat? Should I use more fertilizer during hot Summer?

You've been watching your tropical tree thrive all spring. New leaves, steady growth, maybe even a flower or two. Then July hits, and… nothing. The heat cranks up, and your once-busy plant just sits there. No new shoots, no blooms, not even a twitch. If it feels like your plant ghosted you - but don't worry! It's not dying. It's just hot!

Q: What happens to tropical plants when it gets extremely hot?

When the heat hits, plants hit pause. In the peak of summer, especially with temperatures above 90F, many tropical and subtropical plants go into heat survival mode. Growth above ground may slow down or stop entirely. It's not because you forgot to water or skipped a fertilizer dose - it's just too hot. The plant's energy shifts underground, where roots may still be growing. Think of it like a tropical version of a siesta - less margarita, more mulch. This stage might last a few weeks or longer, depending on how intense the heat gets. But the important thing is: it's normal.

Q: What NOT to do?

Don't drown it in extra water. That leads to root rot.
Don't dump dry fertilizer on it. That can burn the roots or just get flushed away. Use controlled release or liquid fertilizer dozed proportionaly to the plant's water usage.
Don't prune aggressively, hoping to jolt it awake.

None of that helps - in fact, it can make things worse.

Q: What you CAN do?

Water deeply in the early morning, and let the soil dry a bit between waterings.
Add mulch to help keep the root zone cool and reduce evaporation.
Provide temporary shade for potted plants or young trees.
Hold off on pruning or heavy feeding until you see new growth.

Just like you wouldn't run a marathon in a heatwave, your plant needs a break too.

Q: Why you shouldn't fertilize stressed plants with dry fertilizer?

Fertilizing seems like the obvious solution when a plant stalls, but in the heat of summer, it can backfire. When temperatures soar, roots slow down, and absorption becomes inefficient. You might pour in nutrients, but your plant can't use them - and what's worse, any tender new growth that does emerge can get scorched or sunburned before it has a chance to harden.

Feeding a plant with strong fertilizers during a heatwave is like telling someone to sprint in a sauna. It's not just unhelpful - it's risky. That's why you need a fertilizer that’s engineered for hot weather - not just any slow-release formula.

Liquid Sunshine Boosters mild formulas are safe to use year around. Controlled release fertilizer like Green Magic are safe as well, just make sure to follow directions and dosage.

Q: Why Green Magic fertilizer works in heat better that Osmocote?

Green Magic controlled release fertilizer

Not all slow-release fertilizers are built for hot summer. Some popular brands might seem like a good choice - but they’re optimized for soil temperatures around 70-75F. That's a mild Spring day in the South, but in real-world Florida or Arizona heat? Not even close.

Here's the problem: Osmocote releases nutrients based on moisture, not temperature. When it's hot and humid - or worse, when you water heavily - it can dump too many nutrients at once. That nutrient surge can:

Burn your plant's roots
Force tender new growth that gets fried in the heat
Leach straight out of the pot, wasting both fertilizer and money

It's unpredictable, especially in containers that heat up faster than ground soil. What you think is "slow-release" can behave more like a fertilizer bomb.

Green-Magic, by contrast, uses a temperature-sensitive polyurethane coating that responds gradually and consistently as the soil warms. That means:

No sudden nutrient spikes
No wasted runoff
And no risk of heat-triggered burn

It's designed to feed steadily and predictably - even when temps hit 90F and stay there. For potted tropical plants, that kind of control is the difference between stressed and thriving.

Q: How does Sunshine Boosters help with daily plant recovery in summer?

Once your plant begins to show signs of life again - maybe a new bud, or evening perkiness - it's safe to resume feeding. But skip the salts, and reach for something gentler: Sunshine Boosters.

These amino-acid based liquid fertilizers are designed for daily use, even in containers during the hottest days. They enhance nutrient uptake, even when roots are stressed or sluggish. Unlike synthetic chelators like EDTA, Sunshine Boosters won't bind nutrients or burn root system. They stay gentle, available, and effective. Learn more from this short video.

Use SUNSHINE Robusta for foliage support, or Ca-Support PRO for strong structure and recovery. It's like hydration and nutrition in one - perfect for tropical plants fighting through summer heat.

Q: How can I help my plants during extreme heat?

Don't fight the heat - work with it. If your tree looks stalled this summer, don't panic. It's following a rhythm older than all of us. Support it with smart watering, the right fertilizer combo, and a little patience. Before long, you'll see buds again - and know your plant made it through the heat.

Shop fertilizers and garden supplies

Read more plant care tips in Garden Blog

Date: 30 Aug 2020

Healthy Plant Food

Q&A from Mr Booster

How to make Mango tree fruit

Q: Hello, I have a five-year-old Lemon Meringue tree that has only given me fruit one year. It put out about 50 mangoes and has done nothing for the past three years. Do you recommend any vitamins or any of the nutrients that you guys sell to help with this for next season?

A: We've had very similar problem with our Nam Doc Mai Mango tree, fruited once and no more next year. Usually the reason is nutrients deficiency, here in Florida we have poor soils. We applied Mango-Tango tree booster and it started flowering within a couple of weeks.
Generally, Mango flowering season is over by now, however, we recommend to feed the tree starting now, during active growth season. This way it will get better established before winter and also will store away all elements necessary for triggering flowering and fruiting. So by late Fall through Winter it will be ready to flower.
Along with the fertilizer, additional micro-element supplements will be beneficial. For improving fruit quality and increasing number of flowers, we also recommend to use SUNSHINE-Honey - sugar booster

SUNSHINE Mango Tango - Mango Tree Booster, for healthy mango trees and profuse fruit production.

SUNSHINE Honey - a natural supplements that makes fruit sweeter, and increases fruit quantity and quality.

Date: 12 Sep 2019

Helping Citrus and other fruit trees with Nutritional Supplements

Q: Can you recommended a product to help with my citrus? Combating greening and chlorosis.

A: Citrus greening is spread by an insect called the Asian citrus psyllid. The psyllid feeds on the stems and leaves of the trees, infecting the trees with the bacteria that causes citrus greening. Florida Citrus growers dedicated the last decade to researching citrus greening. Officially, currently there is still no cure, however, some Nutritional solutions have shown promising results. To slow the progression of citrus greening in infected trees, nutrients are applied to the leaves and to the roots. Providing better nutrition helps trees fight against citrus greening and enables them to continue to produce quality fruit.

We recommend the following products for use on regular basis:

SUNSHINE Epi is a natural Brassinosteroid plant hormone and a bio-stimulant that may be very effective as citrus greening treatment. It works through plant's immune system and shows amazing results of recovery of weak and sick plants.

SUNSHINE Superfood, a complex micro-element supplement, maintains plant's health and provides vigorous growth.

SUNSHINE-Honey is a basic nutritional complement, it contains essential plant micronutrients Boron (B) and Molybdenum (Mo). These elements are essential to vegetative and reproductive growth, cell expansion, tissue growth, and fertility. A very common problem for most unimproved garden soils is lack of Molybdenum and Boron as soil micro-component. This results in underdeveloped / low quality fruit and/or premature fruit drop. Applying SUNSHINE Honey on your fruit trees will fill that gap and help a fruit tree to form a healthy fruit.

Macro-nutrients should be applied in combination with micro-nutrients on regular basis:

Mango-Food - Smart Release Fruit Tree Booster (works great for all tropical fruit trees)
Fruit Festival Plant Food - Ideal blend designed to improve fruit trees health and vigor, and increase crop yield.

See SUNSHINE Boosters page for the complete list of plant boosters.

Date: 20 Oct 2023

How to help a weak tree to recover and thrive?

Q: Look at my sad looking Lychee tree. Can you share with me any ideas about this tree condition?

A: From the photo (left), we see a few potential issues. The problem might be due to a combination of factors such as a heavy potting mix with poor drainage, over-watering, an underdeveloped root system sensitive to these conditions, leaf burn, and a lack of nutrients.

Suggestions for fixing the problem

1. Soil mix. First, assess the quality of the soil. If the plant has been in the same pot for a while, the soil at the bottom may have become compacted, leading to poor drainage. If this is the case, carefully remove the root system from the existing soil (by removing excess soil around the roots without disturbing the roots themselves). Repot the tree into fresh, well-draining potting mix with good drainage characteristics, which typically contains materials like bark and perlite. Ensure that the new pot is exactly the size of the root ball; using a significantly larger pot can lead to soggy conditions that harm the roots.

2. Light. Place the potted tree in an area with filtered light, avoiding direct sunlight throughout the day.

3. Water. Control the watering. During this recovery period, your plant will need very limited water until it shows signs of improvement and new growth. After repotting, water it thoroughly just once, and avoid watering again until the top layer of soil becomes dry. Then, water as needed. Avoid keeping the soil consistently wet, especially during rainy periods. Protect the plant from excessive rain.

4. Supplements. Consider applying Sunshine Superfood micro-elements following the label instructions, once a month. Additionally, using Sunshine Epi bio-stimulant, sprayed every other week, can help the plant recover from stress and encourage growth. You can also use Sunshine C-Cibus at half the recommended concentration with each watering. Hold off on any other fertilizers until the plant has sufficiently recovered and begins to show signs of new growth.

5. Transplanting. If you plan to transplant the tree into the ground, it's advisable to wait until spring when nighttime temperatures consistently stay above 65F for at least two weeks.

6. Temperature. Keep the tree in a warm environment. When temperatures drop below 50F, bring it indoors.

These steps should help the tree recover, grow healthy leaves, and establish a better root system, preparing it for successful transplantation into the ground or a larger container, ensuring a happy and productive life ahead.

Shop Sunshine Boosters

Date: 29 Jan 2026

How to make Sapodilla fruit profusely?

Sapodilla - Manilkara or Achras zapota, the Brown Sugar Fruit

🍊 How to make Sapodilla fruit profusely?

Sapodilla - Manilkara or Achras zapota), the Brown Sugar Fruit is a warm-climate evergreen fruit tree that can produce a lot of fruit once conditions are right. So why do so many sapodilla trees grow beautifully, flower heavily, and still refuse to set fruit?

Sapodilla Fruit Production - What Really Matters

1. 🌳 Choose the Right Tree
Grafted or air-layered trees fruit much sooner - typically in 1-2 years - and more reliably than seedlings, which may take 6–8+ years.
Some varieties are more profuse producers than others. For example, Silas Woods is virtually everbearing, Hasya is commercial prolific producer, Oxkutzcab (or Ox) -is also heavily productive (learn more about varieties).

2. ☀️ Environment: Heat, Sun & Water Balance

Temperature and Humidity
Excessive heat above 90F and low humidity can cause flowers to dry up and fall before setting fruit.
Solution: Provide filtered light or shade during the hottest part of the day to reduce heat stress on blossoms.

Water
Sapodillas are drought tolerant, but consistent moisture during flowering and fruit set improves fruit retention.
Avoid waterlogged conditions - soggy soil can stress roots and reduce yield.

Sun Exposure
Full sun is best for growth and flowering - but for hot climates, protection during peak afternoon heat helps reduce flower drop.
Young trees can also suffer sunburn.

3. Fertilization: Feed for Fruit, Not Just Foliage
Good nutrition is critical for flowers to turn into fruit. Apply a routine feed through the growing/flowering season - contolled-release (Green Magic) or liquid (Sunshine C-Cibus) both work.
Balanced fertilizer with trace elements like Boron (B), Molybdenum (Mo), Iron (Fe), and Copper (Cu) is essential for fruit set and development. Boron & Molybdenum deficiency as a frequent cause of flower/fruit drop in container-grown trees (nutrients get depleted quickly in pots).
Micro-nutrient sprays 2-3 times per year help improve fruit retention and quality. Some growers use sugar boosters (Sunshine Honey) or micronutrient blends that include Mo & B to help fruit set (Sunshine Superfood).

4. 🐝 Pollination - Often Overlooked
Sapodilla flowers are small and often require pollinators for best fruit set.
In some regions, small insects like thrips are key pollinators.
In places with low insect activity, hand pollination dramatically increases fruit set - brushing pollen from one flower to another with a small paintbrush during peak bloom times can help.
Placing fruit scraps (apple peels/banana peels) under the tree to attract beetles is an inexpensive way to boost insect activity.

5. ✂️ Pruning and Tree Structure
Moderate pruning can help open the canopy for better light penetration and air circulation, which supports flowering and reduces stress. Training young trees promotes a strong branch structure that can carry more fruit later. Sapodilla flowers on young growth (tips of the branches).

6. Pot vs Ground: Size Matters
If your sapodilla is in a container, root bound trees struggle with fruit set because roots run out of space and nutrients - stepping up to a larger container or planting in the ground can help.
Root-bound trees often bloom but fail to develop fruit.

7.

📅 Patience & Timing

Even healthy trees can take years to start fruiting well.
Trees often flower repeatedly but only set fruit when environmental conditions and pollination align - especially important for young or newly planted trees.

📌 Summary Checklist for Better Sapodilla Fruiting

✔️ Choose a grafted variety (faster, more reliable fruit).
✔️ Manage heat & humidity - shade during hot hours.
✔️ Water consistently but avoid waterlogging.
✔️ Fertilize balanced NPK + micronutrients (include B & Mo).
✔️ Encourage pollination

🛒 Grow your own Sugar Fruit

📚 Learn more:

A sugar that’s good for your health
When does Sapodilla start fruiting and what is the best variety
New variety of Sapodilla: Thai Brownie

#Food_Forest

🟢 Join 👉 TopTropicals

◂ Previous page Next page ▸Most recent entry ▴Blog table of contents