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Our Geranium Fertilizer is a liquid plant food made specifically for geranium varieties, in beds or containers. It provides balanced nutrition to support healthy foliage, and budding and bloom.
Geranium fertilizer that promotes lush foliage and colorful seasonal blooms. Regular feeding keeps window boxes and beds producing fresh clusters instead of a few tired heads.
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Plant appearance can also be affected by light, watering, roots, temperature, and other growing conditions, so feeding is one part of overall plant care.
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 — plants under 6 inches
1 Tbs (15 mL) per gallon of water
Feed once weekly through the growing season
Watering can — plants over 6 inches
2 Tbs (30 mL) per gallon of water
Feed once weekly through the growing season
Hose end sprayer
Set dial to the above feed rates
Feed once weekly through the growing season
Leaf misting (optional)
1 tsp per quart (32 oz) of water
Spray on leaves every 1-2 weeks
Six hours of sun a day keeps growth compact and flowers coming. In the hottest climates, give them shade from midafternoon sun so the leaves do not scorch.
Water when the top inch of soil feels dry, then water until it runs from the drainage holes. Soggy soil causes more geranium losses than dryness does.
Light, fast-draining potting mix, pH 6.0 to 6.5. Containers need drainage holes; in beds, work in compost and skip low spots that stay wet after rain.
Pinch spent flower clusters off at the base of the stalk. This deadheading is what keeps window boxes pushing new heads instead of setting seed.
Feed Geranium Fertilizer every one to two weeks in spring and summer while plants are flowering, and about once a month in fall and winter.
Geraniums prefer 65 to 75F days with cooler nights. They are frost tender, so bring pots into a bright, cool room before the first freeze.
Geranium Fertilizer is meant for a weekly rhythm through the growing season, dosed by plant size: 1 tablespoon per gallon of water for plants under 6 inches and 2 tablespoons per gallon for larger ones. A hose-end sprayer set to those rates covers beds and window boxes quickly. Container geraniums need the weekly schedule most, because frequent summer watering flushes nutrients out of potting mix, and feeding as part of a proper watering suits a plant that likes to dry between drinks.
Mostly a pruning issue rather than a feeding one. Geraniums bloom on new growth, and plants that are never pinched stretch into bare stems with flowers only at the tips. Pinch the growing tips through the season, cut leggy stems back hard, and deadhead spent clusters down to the stem. Excess nitrogen makes the stretching worse, which is why Geranium Fertilizer holds nitrogen at 3% and leads with potassium and phosphorus, so your geranium keeps setting buds instead of running to leaf and stem.
Check watering first. Geraniums dislike sitting wet, and soggy soil yellows lower leaves quickly, so let pots dry between waterings and make sure drainage is clear. If watering is right, depleted potting mix is the likely cause, and yellowing between the veins on older leaves points to magnesium in particular. Geranium Fertilizer carries magnesium at 0.75% and iron alongside its bloom nutrition, the two nutrients container geraniums run short of first as summer watering flushes them out.
Both, though they’re different plants. What most people call geraniums, the red, pink and white bedding and container plants, are pelargoniums, and Geranium Fertilizer is formulated with them in mind: zonal, ivy, Martha Washington and scented types. True hardy geraniums (cranesbill) are perennials with a similar appetite, and the same bloom-weighted 3-3.6-5.1 ratio suits them. Either way, feed weekly at the size-based rate.
Lightly, if at all. Overwintered geraniums are being held rather than grown; most people cut them back and keep them cool and fairly dry in reduced light, where feeding pushes weak growth the light can’t support. Geranium Fertilizer is scheduled for the growing season for that reason. Resume weekly feeding when you bring your geraniums back into good light in late winter and new growth starts.
All of the nitrogen in Geranium Fertilizer is nitrate nitrogen, which roots absorb directly, so it starts working with the first watering. Expect deeper leaf color within 1–2 weeks, and yellowing lower leaves steadying as new growth comes in. Flower response follows in 3–4 weeks, with more clusters and deeper color, because your geranium has to initiate those buds first. Pair the feeding with regular pinching for the fastest visible change.
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