Peppermint Geranium
The largest-leaved scented geranium with soft, velvety foliage that releases a cooling peppermint fragrance.
On this pageOverview
Meet Peppermint Geranium
The largest-leaved scented geranium with soft, velvety foliage that releases a cooling peppermint fragrance. Peppermint geranium is a vigorous spreader that makes an excellent trailing plant for large containers and hanging baskets. The large leaves are perfect for making chocolate-mint brownies by lining the baking pan before pouring the batter.
When to plant Peppermint Geranium
Propagate peppermint geranium exclusively by stem cuttings, as seed is not commercially available. Take 7-10cm cuttings from non-flowering stems in spring or late summer. Remove lower leaves, allow the cut end to callous for a few hours, then insert into moist perlite or gritty compost. Keep in bright indirect light at 18-22°C without covering. Rooting takes 2-4 weeks. This vigorous species roots readily and grows quickly once established. Layering trailing stems that touch the ground also works effortlessly.
We watch the calendar so you don't have to
Tell us where you garden once. We line your sow and harvest windows up with your local season — and nudge you the moment each one opens.
See your exact Peppermint Geranium dates
Share your location once and we'll line every sow and harvest date up with your real local season — not a generic seed-packet guess.
Used once to set your season · never sharedHow to grow Peppermint Geranium
Peppermint geranium is the most vigorous and largest-leaved of all scented pelargoniums, producing sprawling stems covered with soft, velvety, deeply lobed leaves up to 12cm across that release an unmistakable peppermint scent. Plants can spread 90-120cm wide, making them spectacular in large containers, hanging baskets, and as ground cover in frost-free gardens.
Unlike most scented geraniums that demand full sun, peppermint geranium actually prefers partial shade and tolerates lower light levels well. This makes it an excellent choice for north-facing patios and shaded conservatories. Plant in a quality potting mix with good drainage and water regularly—this species tolerates more moisture than other pelargoniums. Feed every 2-3 weeks during the growing season.
The trailing, spreading habit makes peppermint geranium ideal for large hanging baskets and elevated containers where the stems can cascade dramatically. Pinch growing tips occasionally to promote branching, but allow some stems to trail naturally. Bring indoors before frost and provide bright indirect light through winter. Cut back by half in late winter to stimulate fresh spring growth.
The bed planner spaces every plant for you
Pick a bed size and PlotMyGarden spaces your Peppermint Geranium at 60 cm, counts how many fit, and lays the block out before you buy a single seed.
Peppermint Geranium's best neighbours
Display peppermint geranium in large containers near seating areas where guests will be drawn to touch the irresistibly soft, velvety leaves. It pairs beautifully with other scented pelargoniums in a fragrance garden collection. The trailing habit makes it an excellent companion for upright plants in mixed containers. In frost-free climates, use as ground cover beneath citrus trees or alongside tropical plantings.
It flags clashes before you plant, not after
Every plant you place is checked against its neighbours in real time. Good matches glow green; conflicts get flagged on the spot — so a season-wrecking mistake never makes it into the ground.
Feed it well
Use a moisture-retentive but well-draining potting mix with a pH of 6.0-7.0. A standard multipurpose compost with 20% perlite added works well. This species tolerates richer conditions than most pelargoniums. Feed every 2-3 weeks during the growing season with a balanced liquid fertilizer. Reduce in autumn and stop in winter. Repot annually in spring as vigorous growth quickly fills containers.
Ideal Temperature
Hardiness Zone Compatibility
From seed to harvest, stage by stage
Cutting Propagation
Peppermint geranium is best started from stem cuttings taken from a healthy parent plant. Select a firm, non-flowering shoot about 10-15 cm long, remove the lower leaves, and allow the cut end to callus overnight before inserting into a moist, well-draining propagation mix of perlite and peat.
Root Establishment
Once roots have formed, the young cutting begins to establish a functional root system. New leaves emerge from the growing tip, signalling that the plant is drawing water and nutrients independently. Growth is modest at this stage as energy is directed below ground.
Vegetative Expansion
The plant enters a rapid growth phase, producing large, soft, deeply lobed leaves covered in fine trichomes. Stems elongate and begin to branch, forming the spreading, mounding habit characteristic of the species. The peppermint fragrance intensifies as the foliage matures.
Flowering Phase
Clusters of small, white flowers with delicate pink or mauve veining appear on slender stems above the foliage. While the flowers are not as showy as those of zonal geraniums, they attract beneficial insects and add a dainty charm to the plant. Flowering can continue intermittently for several months.
Mature Spreading
Well-established plants develop a sprawling, ground-covering habit that can spread 60-90 cm or more. Stems may root at the nodes where they contact moist soil, creating natural offshoots. The plant is at its most productive for leaf harvesting during this stage.
Overwintering and Rest
As temperatures drop below 10°C, growth slows significantly. Peppermint geranium is frost-tender and will not survive freezing conditions outdoors. In cooler climates, this stage involves bringing the plant indoors or into a greenhouse for winter protection.
Keep the medium lightly moist but not wet. Place cuttings in bright, indirect light and maintain warmth around 20-24°C. Roots typically appear in 2-3 weeks.
Caring for Peppermint Geranium month by month
What to do each month for your Peppermint Geranium
July
You are hereNo specific care tasks for this month.
Harvesting Peppermint Geranium
Harvest the large, velvety leaves anytime during the growing season. The biggest, most mature leaves have the strongest peppermint scent and are best for culinary use. For chocolate-mint brownies, select the flattest leaves to line baking pans. Harvest by snipping individual leaves or pinching stem tips. The small white flowers are also edible but have a milder scent. Regular harvesting encourages bushier growth.
We count the days and tell you when to pick
Tell us when you planted and PlotMyGarden tracks the 90-day countdown to harvest, then pings you the day your Peppermint Geranium is ready.
Storage & Preservation
The large leaves dry well on screens or in a dehydrator at 35°C, though they shrink significantly. Dried leaves retain their peppermint fragrance for 6-12 months in airtight jars. For the best culinary results, use fresh leaves laid in baking pans immediately before pouring batter. Fresh leaves can be frozen flat on trays. The dried leaves make outstanding additions to potpourri, sachets for linen drawers, and herbal tea blends.
What goes wrong — and the fix
Caterpillars
PestIrregular holes chewed in the large, soft leaves. Geranium budworm caterpillars may also bore into flower buds.
Edema
DiseaseCorky, raised bumps on the undersides of leaves caused by overwatering combined with cool temperatures and high humidity.
Troubleshooting Common Problems
Leggy, stretched growth indicates insufficient light—while this pelargonium tolerates shade, it still needs bright conditions. Leaf scorch or wilting in full summer sun shows too much direct exposure—provide afternoon shade. Dropping leaves indoors usually signals too little light or too much or too little water. The vigorous spreading habit can overwhelm smaller companion plants in mixed containers—give it plenty of room.
Growing Tips
- Peppermint geranium prefers bright, indirect light or morning sun with afternoon shade. Unlike most Pelargonium species, it naturally grows in semi-shaded conditions and can scorch in intense full-day sun, especially in hot climates.
- Use a light, well-draining potting mix amended with perlite or coarse sand. The roots are susceptible to rot in heavy, waterlogged soil, so ensure containers have adequate drainage holes and never let pots sit in saucers of water.
- Water when the top 3 cm of soil feels dry. Peppermint geranium likes slightly more moisture than other scented geraniums due to its origins along stream banks, but it should never be kept soggy.
- Feed with a balanced liquid fertilizer at half strength every two weeks during the active growing season from spring through early autumn. Stop fertilizing entirely in winter when the plant is resting.
- Pinch growing tips regularly throughout the growing season to encourage branching and prevent the plant from becoming leggy and sparse. Each pinch point will generate two new growing shoots.
- Propagate from stem cuttings at any time during the growing season. Take 10-15 cm cuttings from non-flowering shoots, remove lower leaves, allow the cut end to dry for a few hours, and root in moist perlite or vermiculite.
- Bring plants indoors well before the first frost, as peppermint geranium has zero tolerance for freezing temperatures. A sunny windowsill or conservatory with temperatures above 10°C is ideal for overwintering.
- Inspect regularly for whitefly, which is the most common pest on indoor peppermint geraniums. Use yellow sticky traps and insecticidal soap sprays to manage infestations before they spread to other houseplants.
- Prune plants back by one-third when bringing them indoors for winter. This reduces the plant to a manageable size, removes any pest-harboring foliage, and stimulates fresh growth in spring.
- Position peppermint geranium near outdoor seating areas, along garden paths, or beside doorways where people will brush against the foliage and release the delightful peppermint scent as they pass.
Pick your Peppermint Geranium
Pelargonium tomentosum (standard)
The classic peppermint geranium with large, soft, grey-green velvety leaves and tiny white flowers. The most widely grown form.
Pelargonium tomentosum 'Chocolate'
Selected form with a dark chocolate-brown blotch in the center of each leaf. Combines visual appeal with the same peppermint scent.
A single peppermint geranium plant costs $5-10 at a nursery and, with proper care, can be propagated indefinitely from cuttings at no cost. Fresh scented geranium leaves sell for $3-6 per small bunch at farmers' markets, and specialty peppermint geranium sugar or syrup can fetch $8-15 per jar. One mature plant produces more leaves than a household can use, supplying a full season of culinary herbs, aromatic teas, and natural insect repellent that would otherwise cost $40-80 per year if purchased. Over five years of propagation, a single original plant can generate dozens of offspring, saving hundreds of dollars while providing endless fragrant cuttings to share with friends.
Quick recipes
Peppermint Geranium Iced Tea
10 minutes + chillingA cooling, aromatic iced tea that captures the clean peppermint essence of fresh geranium leaves. The natural sweetness of the leaves means less sugar is needed, and the subtle herbal complexity sets it apart from ordinary mint tea. Perfect for hot summer afternoons in the garden.
6 ingredientsPeppermint Geranium Sugar
5 minutes + 1 week infusionFragrant, minty sugar made by layering fresh peppermint geranium leaves with granulated sugar in a sealed jar. Over the course of a week, the essential oils permeate the sugar, creating a beautifully scented sweetener for baking, tea, or sprinkling over fresh fruit and desserts.
3 ingredientsPeppermint Geranium Leaf Cake
20 minutes + 30 min bakeA classic Victorian-inspired sponge cake infused with the fresh peppermint aroma of geranium leaves. Whole leaves are placed at the bottom of the cake pan before the batter is poured in, imparting a gentle minty perfume throughout the cake as it bakes. The leaves are peeled away after turning out, leaving a beautiful botanical imprint.
7 ingredientsCulinary Uses
Peppermint geranium is the premier scented geranium for chocolate desserts. Line brownie and cake pans with leaves before pouring batter—the heat releases the peppermint oils into the chocolate for a natural mint-chocolate combination. Layer fresh leaves between scoops of chocolate ice cream, steep in cream for peppermint-flavored desserts, or add to hot chocolate. The leaves also make a refreshing peppermint-flavored herbal tea.
What's inside
Health Benefits
- The aromatic compounds in peppermint geranium leaves, including menthone and isomenthone, have been traditionally used to relieve headaches and nasal congestion when inhaled as steam or crushed and applied to the temples.
- Peppermint geranium tea is a time-honoured digestive remedy in South African folk medicine, used to ease nausea, stomach cramps, and bloating after meals.
- The essential oil from Pelargonium tomentosum contains geraniol and citronellol, compounds studied for their anti-inflammatory properties that may help soothe minor skin irritations when applied topically in diluted form.
- Research on Pelargonium species suggests that their leaf extracts possess antimicrobial activity against several strains of bacteria and fungi, supporting traditional uses in wound care and oral hygiene.
- The act of touching and smelling peppermint geranium leaves during garden work has been associated with stress reduction and improved mood, aligning with broader evidence on the mental health benefits of aromatic herb gardening.
- Crushed peppermint geranium leaves have been used as a natural insect repellent applied to the skin, with the geraniol content providing documented deterrent effects against mosquitoes and ticks.
Where Peppermint Geranium comes from
Peppermint geranium (Pelargonium tomentosum) is native to the Western Cape province of South Africa, where it grows naturally along shaded stream banks, moist forest margins, and the edges of rocky ravines in the fynbos and Afromontane forest regions. Unlike many of its sun-loving Pelargonium relatives, it evolved in dappled shade beneath taller vegetation, adapting to cooler, moister microclimates while retaining the drought resilience common to its genus. The plant was among the many South African Pelargonium species collected by Dutch and British botanists during the 17th and 18th centuries, when the Cape Colony served as a vital resupply point on trade routes to the East Indies. Pelargonium species began arriving in European botanical gardens in the late 1600s, and by the early 1700s they had become fashionable conservatory plants among the European aristocracy. Peppermint geranium attracted particular attention because of its intensely aromatic, velvety foliage, which released a strikingly clear peppermint fragrance unlike anything found in European herb gardens. During the Victorian era, scented-leaf geraniums reached the height of their popularity. They were grown on parlour windowsills and in conservatories, their leaves used to scent finger bowls at formal dinners, flavour jellies and cakes, and perfume household linens. Pelargonium tomentosum was especially prized for culinary applications, as its peppermint flavour paired beautifully with desserts and beverages. The plant was also valued in the emerging field of aromatherapy, with the essential oil from its leaves used in folk remedies for headaches, digestive complaints, and nervous tension. In the 20th century, interest in scented geraniums waned as synthetic fragrances became widely available, but a revival beginning in the 1980s brought renewed appreciation among herb gardeners, artisan cooks, and permaculture enthusiasts. Today, peppermint geranium is cultivated worldwide in temperate and subtropical gardens, cherished as an aromatic ground cover, a pest-deterring companion plant, and a source of fresh, minty leaves for the kitchen.
Peppermint Geranium: did you know?
Fascinating facts about Peppermint Geranium
Peppermint geranium is not a true geranium or a true mint. It belongs to the genus Pelargonium, which is native to southern Africa and only distantly related to the genus Geranium, despite sharing a common name.
Peppermint Geranium questions, answered
When should I plant Peppermint Geranium?
What are good companion plants for Peppermint Geranium?
What hardiness zones can Peppermint Geranium grow in?
How much sun does Peppermint Geranium need?
How far apart should I space Peppermint Geranium?
What pests and diseases affect Peppermint Geranium?
How do I store Peppermint Geranium after harvest?
What are the best Peppermint Geranium varieties to grow?
What soil does Peppermint Geranium need?
Is peppermint geranium edible and safe to use in cooking?
How do I overwinter peppermint geranium in a cold climate?
Why does my peppermint geranium have yellow leaves?
Can peppermint geranium be grown as a ground cover?
How is peppermint geranium different from regular peppermint?
Does peppermint geranium really repel mosquitoes?
You just read the theory. Now grow it on autopilot.
Everything that makes Peppermint Geranium fiddly — the timing, the spacing, the companions, the harvest window — is exactly what PlotMyGarden handles for you, for every plant in your garden.
A plan that knows your weather
Set your location once. Get sow, feed and harvest dates built around your real last-frost date and live forecast — no more guessing from a generic seed packet.
From the “When to plant” sectionDrag-and-drop bed planner
Design beds on a grid. Every plant snaps to its proper spacing, and you can see your whole season laid out before you spend a cent on seed.
From the “Growing guide” sectionCompanion conflicts, caught early
200+ good-and-bad pairings checked live as you plant — so a season-wrecking mistake never makes it into the ground.
From the “Companions” sectionReminders you'll actually act on
“Water the beans.” “Pick today before it turns.” Timely, specific, and tied to the plants you're really growing.
From the “Harvest” sectionSuccession, scheduled
Want a harvest for six weeks, not six days? It spaces your sowings automatically and reminds you when each new block is due.
From the “When to plant” sectionA record that gets smarter
Every harvest you log teaches it your garden. Next year's plan starts from what actually worked in your soil, not a textbook's.
From the “Overview” sectionPlant these alongside Peppermint Geranium
More Aromatic Herbs
Grow your best Peppermint Geranium yet — and everything around it.
Start a free plan today. Lay out your beds, drop in your Peppermint Geranium, and let PlotMyGarden handle the timing, spacing, companions and reminders from seed to harvest basket.