Philodendron, bird of paradise, alocasia and the other leafy tropicals grow in bursts when warmth and light return, and a mixed collection does not need a different bottle for each. Our liquid Tropical Plant Fertilizer supplies the nutrients those plants use for new leaves and roots, indoors through the year or outside for the summer.
Most tropicals live in containers, where repeated watering carries nutrients out of the mix, and the active stretch, as days lengthen or when a plant moves outdoors for summer, is when it needs replacing.
Our formula leads with nitrogen for leaf growth, with phosphate and potash in proportion and calcium, magnesium and micronutrients. It is the balance leafy plants share, so one mix covers a big-leaf philodendron and a bird of paradise, and it dilutes by the quart for pots of any size.
Mix at the rate on your bottle and water the root ball through, letting the excess drain. Feed every one to two weeks while plants are pushing new leaves in spring and summer, about every four weeks in fall and winter as the bottle directs, and let each plant's growth set its pace.
Why growers choose it: One liquid feed for a mixed collection of leafy tropicals, indoors or out, with no juggling of bottles.
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Yellow leaves, brown edges, and drooping may point to watering, cold stress, or root issues rather than missing nutrients. Don't feed extra simply because a tropical plant has stopped growing in low light.
Feeds foliage for deeper color and a brighter, more lively look.
Encourages fresh leaf and stem growth for a fuller, thriving plant.
Supports healthy resilient roots that absorb nutrients more effectively.
Watering can
1 tsp per quart (32 oz) of water
Spring & summer: every 1–2 weeks · Fall & winter: every 4 weeks
Leaf misting (optional)
½ tsp per pint (16 oz) of water
Every 1–2 weeks
Tropical Plant Fertilizer is built for consistent light feeding, which is how fast-growing tropicals use nutrients: heavily, but steadily. Mix 1 teaspoon per quart of water and feed every 1–2 weeks through spring and summer while your tropical plants are actively growing, then every 4 weeks in fall and winter when growth slows. Mixing it into your regular watering keeps nitrogen arriving for each new leaf without the buildup that comes from infrequent heavy doses. Potted tropicals depend entirely on what you feed once their mix is spent.
Most common foliage houseplants qualify: monstera, philodendron, pothos, alocasia, calathea, banana, bird of paradise and dracaena, along with mixed jungle collections indoors or outdoors in warm, humid zones. They share the same nitrogen-forward, fast-growing needs that Tropical Plant Fertilizer’s 3-1-2 ratio is built around. Plants with specialized needs, such as orchids, succulents and carnivorous plants, want a different balance, and TPS makes dedicated formulas for them.
Leaf size comes down to steady nitrogen, consistent moisture and enough light. Tropical Plant Fertilizer covers the first: its 3-1-2 ratio runs nitrogen ahead of phosphorus and potassium for continuous leaf production, with calcium, magnesium and iron keeping the leaves large, deep green and evenly colored. Pair regular feeding with bright indirect light and soil that stays lightly moist rather than swinging between soaked and bone dry. Each new leaf should then come in larger than the last, since your tropical plant isn’t held back by a shortage.
Tropical Plant Fertilizer is a dilute liquid feed, and dilution is what matters here. Fertilizer burn happens when concentrated salts sit against the roots: too much product in too little water. Mixed at 1 teaspoon per quart and applied every 1–2 weeks through the growing season, the 3-1-2 formula arrives in solution at a strength the roots take up as they water. Over two-thirds of the nitrogen is nitrate, the form roots absorb directly. For recently repotted or newly acquired plants, start at half strength for the first two feedings.
New growth typically comes in greener within the first couple of weeks of regular feeding, as the nitrate nitrogen and iron in Tropical Plant Fertilizer reach your tropical plant quickly. Leaf size improves over the season as your plant keeps pushing new growth on a steady nitrogen supply. Plants that have been in the same pot for more than a year tend to show the most noticeable turnaround, because their mix has run out of the nutrients the formula replaces. Pale, small leaves already on your plant won’t change; the new ones will.
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