Look, we totally get it. Winter can feel like survival mode for your leafy houseplant babes. The short days, cold drafts, and dry indoor air can make it a tumultuous time to be a houseplant owner. For many beginner plant owners and plant experts, the instinct is to stop fertiliizing during the colder months. But, that's only if you're still using synthetic or traditional NPK based fertilizers on your houseplants/ One of the reasons that The Spruce named We the Wild as the best fertilizer for indoor plants, is because it is great to use all year round, even in winter. Keep reading to learn why you should use bioactive fertililizer like Grow Concentrate and Enrich Powder on your houseplants in winter.
But First, Why Is Winter Different For Houseplants?
During winter, your plants slow down. Growth above the soil might come to a near halt, but the roots are still active, preparing for warmer months. Using bioactive fertilizer in winter feeds the soil and strengthens your plants below the surface without overloading them.
Using Grow Concentrate, you're also giving your houseplants a gentle dose of kelp; an extra dose of plant magic. These ingredients are packed full with natural growth hormones, vitamins, and minerals that are especially useful during winter stress.
4 Reasons To Fertilize Houseplants In Winter
1. Bioactive Houseplant Fertilizer Provides Gentle Nutrients To Support Root Activity
It's true that plants can go dormant in winter if they don't have the right growth promoting hormones. But, roots don’t stop working in winter; they’re still maintaining your plant’s health - just differently than in spring and summer. Enrich Powder, for example, supports your plant's ability to fight stress from the environmental factors of winter; drafts, overwatering and cold air.

2. Bioactive Fertilizers Helps Combat Winter Houseplant Stress
There's so many common houseplant problems in winter. Choose a product like Grow Concentrate, which contains kelp. This ingredient is high in cytokinins; a natural growth hormones that improve your plant’s stress tolerance. It’s like giving your plant a winter spa day!
3. Bioactive Houseplant Food Increases Soil Microbial Activity Even in Winter Conditions
The beneficial microbes in bioactive fertilizer might slow down in cooler weather, but they don’t stop working. These microbes keep breaking down organic matter, ensuring nutrients are still available to your plants.
4. Bioactive Houseplant Food Prepares Your Indoor Plants for a Spring Growth Surge
If you are using a product that is bioactive AND has kelp, you're giving your plants natural growth boosters like auxins and gibberellins. These funky sounding words stimulate root growth and improve nutrient uptake in your houseplants. By strengthening roots now, you’re setting up your plants to explode with new growth as soon as spring arrives.
So, Should I Fertilize My Houseplants In Winter?
Bioactive fertilizer with kelp isn’t just a summer superstar—it’s a winter essential. By feeding the soil naturally, strengthening roots, and helping plants handle winter stress, this combo gives your houseplants the gentle support they need to stay healthy and happy.
So, this winter, don’t let your houseplants go hungry. Add a little bioactive fertilizer with kelp to your care routine, and you’ll be rewarded with thriving plants that can’t wait for spring.