How to Keep Your Houseplants Thriving This Summer

Expert Summer Houseplant Care Tips for Healthy Indoor Growth

Summer is one of the most rewarding — and demanding — seasons for indoor plant care. Longer daylight hours and warmer temperatures can trigger explosive growth, but they can also increase stress from heat, inconsistent watering, dry air conditioning, and pest activity.

Whether you're caring for a single windowsill plant or building a full indoor jungle, understanding how seasonal conditions affect your houseplants is key to keeping them healthy through the hottest months of the year.

If you're looking to refresh your collection this season, explore our Shop All Houseplants and browse customer favorites for summer growth.

Why Summer Changes Everything for Houseplants

Most common houseplants are tropical or subtropical species that naturally experience a warm, humid growing season. During summer, many plants enter their most active growth phase, producing larger leaves, faster vines, and stronger root systems.

However, indoor environments don't always mimic nature perfectly. Air conditioners reduce humidity, windows intensify sunlight, and soil dries out significantly faster than during winter.

This means your plant care routine in June, July, and August should look very different from your winter schedule.

1. Adjust Your Watering Routine for Faster Growth

One of the biggest summer mistakes plant owners make is sticking to the same watering schedule year-round.

As temperatures rise and daylight increases, plants photosynthesize more actively and consume water much faster. A plant that needed water once every 7–10 days in winter may now require watering every 2–4 days depending on:

• Pot size
• Soil composition
• Sun exposure
• Indoor humidity
• Plant species

Expert Watering Tip

Never water on a fixed schedule alone. Instead:

• Check the top 1–2 inches of soil
• Lift the pot to feel its weight
• Watch for slightly drooping leaves in thirstier species

Overwatering remains the most common cause of houseplant decline — even during summer.

Plants especially sensitive to overwatering include Snake Plants, ZZ Plants, Hoyas, and Succulents. Meanwhile, fast-growing tropicals like Monstera and Pothos often dry out surprisingly quickly during peak summer heat.

For beginner-friendly plants that tolerate occasional missed waterings, browse our Low Maintenance Houseplants Collection.

2. Protect Plants from Harsh Afternoon Sun

Bright light helps plants grow rapidly during summer, but direct afternoon sun through glass can become dangerously intense indoors.

South- and west-facing windows can magnify heat and scorch foliage, especially between 1 PM and 5 PM.

Common Signs of Sun Stress

• Bleached or faded leaves
• Crispy brown patches
• Curling foliage
• Sudden drooping despite moist soil

Plants most susceptible to leaf burn include Peace Lilies, Ferns, Calatheas, Pothos, and Philodendrons.

How to Prevent Summer Sun Damage

• Move plants 2–4 feet back from windows
• Use sheer curtains to diffuse direct rays
• Rotate plants weekly for even growth
• Monitor windows that become dramatically hotter in summer

Shop our Tropical Houseplants Collection for summer-ready statement plants.

3. Increase Humidity for Tropical Plants

Many indoor plants originate from rainforest environments with humidity levels far higher than the average air-conditioned home. Running AC throughout summer can reduce indoor humidity below 40%, which often leads to brown leaf edges, crispy tips, curled new growth, and slower development.

Best Ways to Increase Humidity Naturally

Group Plants Together: Plants release moisture through transpiration. Clustering them creates a small humid microclimate.

Use Pebble Trays: Place pots above shallow trays filled with pebbles and water. As water evaporates, humidity rises around the foliage.

Add a Humidifier: For large collections or humidity-loving plants, a humidifier can make a dramatic difference.

Humidity-loving favorites include Ferns, Calatheas, Alocasias, Prayer Plants, and Philodendrons.

Browse our Tropical Plants Collection for collector favorites that thrive in warm summer conditions.

4. Fertilize During Peak Growing Season

Summer is prime feeding season for most houseplants. As plants produce new roots and foliage, they consume nutrients rapidly. Regular fertilizing helps support faster growth, larger leaves, stronger roots, richer coloration, and improved resilience.

Recommended Feeding Schedule

• Balanced liquid fertilizer every 2–4 weeks
• Diluted fertilizer for sensitive species
• Reduced feeding during heat waves or stress

Avoid fertilizing plants that are severely wilted, recently repotted, or growing in very low light.

Pairing fertilizer with proper lighting can dramatically improve growth rates. Explore our Grow Lights & Plant Accessories Collection.

5. Summer Is the Best Time to Repot

If your plant has become rootbound, summer is often the safest and most effective time to repot. Warm temperatures and active growth allow roots to recover and expand more quickly after transplanting.

Signs Your Plant Needs Repotting

• Roots emerging from drainage holes
• Soil drying unusually fast
• Stunted growth
• Roots circling the pot interior
• Water running straight through the container

Repotting Best Practices

• Increase pot size gradually (1–2 inches wider)
• Use fresh, well-draining soil
• Water thoroughly after repotting
• Avoid placing newly repotted plants in intense direct sun

Popular fast growers that may need summer repotting include Monsteras, Pothos, Philodendrons, Rubber Plants, and Peace Lilies.

6. Watch Closely for Summer Houseplant Pests

Warm weather creates ideal breeding conditions for common indoor plant pests. Pest outbreaks can escalate rapidly in summer, especially in dense plant collections.

Most Common Summer Houseplant Pests

Spider Mites: Tiny pests that thrive in hot, dry conditions and often leave fine webbing behind.

Fungus Gnats: Usually caused by overly wet soil and poor airflow.

Mealybugs: White cotton-like insects commonly found near stems and leaf joints.

Scale Insects: Small brown bumps that attach themselves to stems and leaves.

How to Prevent Pest Problems

• Inspect leaves weekly
• Check undersides of foliage
• Quarantine new plants before introducing them indoors
• Improve airflow around dense collections
• Treat issues early with neem oil or insecticidal soap

Best Houseplants for Summer Growth

Looking to expand your indoor jungle this season? These houseplants thrive during warm summer conditions and make excellent additions to bright indoor spaces.

• Monstera Deliciosa: Fast-growing with dramatic split leaves and strong tropical growth during summer.
• Snake Plant: Heat tolerant, drought resistant, and ideal for beginners.
• Bird of Paradise: Loves bright light and rewards growers with bold tropical foliage.
• Rubber Plant: Glossy leaves, upright growth, and minimal maintenance requirements.
• Pothos: One of the easiest and fastest-growing trailing houseplants available.

Final Thoughts on Summer Plant Care

Summer can be one of the most exciting times of year for indoor plant owners. With proper watering, humidity, lighting, and maintenance, your houseplants can experience their fastest and healthiest growth of the year.

The key is staying proactive. Monitor your plants closely, adjust your care routine as temperatures rise, and address small issues before they become major problems.

Ready to grow your indoor jungle this season? Browse our full collection of houseplants and discover healthy, carefully selected plants shipped directly to your door.