There's no sugarcoating it — South Florida summers are intense. The heat is relentless, the humidity is real, and the afternoon storms roll in like clockwork. But here's the thing: your tropical plants were made for exactly this. With a little know-how, summer is actually when your indoor jungle can look its most spectacular.
Here's how to work with the season and keep every plant thriving.
Your Plants Are in Growth Mode — Feed Them
Summer is peak growing season for tropical plants. From May through September, your Monstera, Bird of Paradise, Fiddle Leaf Fig and Pothos are all pushing out new growth as fast as they can. This is the time to support them:
- Fertilize every 2-4 weeks with a balanced liquid fertilizer
- Look for a formula with equal parts nitrogen, phosphorus and potassium (10-10-10 or similar)
- Always fertilize after watering, never on dry soil — it can burn roots
- If you see lots of new leaves but they look pale or small, your plant is hungry
Water More — But Watch for Overwatering
Yes, your plants need more water in summer — but more frequent watering doesn't mean soggy soil. The heat speeds up evaporation, so you'll be watering more often, but the goal is always the same: moist but never waterlogged.
- Check soil every 2-3 days rather than watering on a fixed schedule
- Water deeply until it drains from the bottom — shallow watering leads to shallow roots
- Empty saucers after watering so roots never sit in standing water
- Morning watering is best — it gives leaves time to dry before the heat of the day
Protect from Harsh Afternoon Sun
This surprises many people: even sun-loving tropicals can get sunburned in a South Florida summer. That intense afternoon sun coming through west-facing windows can scorch leaves — especially on Fiddle Leaf Figs, Calatheas and Peace Lilies.
- Use sheer curtains on west-facing windows to diffuse the harshest afternoon light
- Move sensitive plants a few feet back from direct sun exposure
- Scorched leaves show as brown, bleached patches — if you see this, move the plant
- East-facing windows are ideal — bright morning light without the brutal afternoon intensity
Embrace the Humidity (Your Plants Do)
South Florida summer humidity is a gift to tropical plant lovers. Most tropicals thrive at 60-80% humidity — and our summers deliver exactly that. A few ways to make the most of it:
- Group plants together to create a lush humidity microclimate
- If you run heavy air conditioning, a small humidifier near your plants helps
- Mist large-leafed plants like Monstera and Bird of Paradise in the morning
- Watch for fungal issues — high humidity plus poor air circulation can cause problems. A small fan on low keeps air moving beautifully
Watch for Pests
Warm, humid conditions are paradise for plants — and unfortunately for pests too. Summer is peak season for spider mites, mealybugs and scale. Check your plants weekly:
- Look under leaves and at stem joints — that's where pests hide
- Wipe large leaves with a damp cloth weekly — it removes dust and early pest infestations
- Neem oil spray is your best friend — safe, effective and easy to use
- Isolate any plant showing signs of infestation immediately to protect the others
Repot if Needed — Now is the Time
If your plant has been in the same pot for a year or more and is showing signs of being root-bound (roots coming out of drainage holes, drying out very quickly after watering), summer is the perfect time to repot. Plants in active growth recover quickly and will reward you with a burst of new leaves.
- Go up just one pot size — too large a pot holds too much moisture
- Use a well-draining tropical potting mix
- Water thoroughly after repotting and keep out of direct sun for a week
The Florida Summer Payoff
Lean into the season. Water generously, fertilize regularly, keep an eye on pests, and let the natural warmth and humidity do the rest. Your tropical plants are in their element right now — and with a little attention, your indoor jungle will be at its most lush, most dramatic and most spectacular all summer long. 🌿
Ready to add to your indoor jungle this summer? Browse our collection of tropical plants selected to thrive in South Florida's heat and humidity.
