At a glance
- Okra is a heat-loving vegetable related to hibiscus and mallow that only crops reliably here with a head start and a heat trap.
- Start it indoors from mid March to mid April (CW 12 to 16) on a warm windowsill, soaking the seeds for 12 to 24 hours first.
- Plant out only after the mid-May cold snaps, ideally into a greenhouse or against a south-facing wall.
- Pick the pods young at finger length, every two to three days, or they turn woody and inedible.
- Full sun, at least eight hours, free-draining soil without waterlogging, and patience on cool nights.
Some vegetables take over a German garden on their own, and then there is okra. It comes from hot north-east Africa, travelled through Egypt and the Orient into kitchens across half the world, and needs a warmth that an allotment in Brandenburg or the Rhineland only delivers on its best summer days. It is still worth a try. Anyone who has eaten okra fresh off their own plant, young and crisp, understands why it is indispensable in so many cuisines. And the path there is no black art, just a matter of a head start, a warm spot, and the right moment to harvest.
What okra is and why it is so heat-hungry
Okra, botanically Abelmoschus esculentus, is an annual member of the mallow family and so closely related to hibiscus, hollyhock, and marsh mallow. The German name Gemüse-Eibisch, vegetable mallow, fits it well. Anyone who sees its flower recognises the family at once: cream-yellow, with a dark throat, like a small hibiscus flower for a day. From every fertilised flower grows an angular, pointed pod that stands upright out of the leaf axil.
This origin explains almost everything. Okra comes from regions where the nights stay warm and the soil heats through properly. If the temperature drops below about 15 °C for any length of time, the plant stops growing and sulks. It does not tolerate frost at all and takes damage as early as 5 °C. For us that means: without a sheltered, sun-drenched spot and a few weeks of head start indoors, the harvest stays thin. With the right handling, though, it becomes surprisingly generous.
Each flower opens for a single day only. Okra is mostly self-pollinating, so a single plant is enough for pods. Where bumblebees and honeybees lend a hand, the flowers set even more reliably. Watch the plant from late June: where a flower stands today, the first small pod hangs within a few days.
Sowing and starting indoors: the head start decides
In the home garden you propagate okra exclusively from seed. The seed coat is hard, so you soak the seeds for 12 to 24 hours in lukewarm water before sowing. That softens the coat and gets germination going noticeably. The best time to start indoors is between mid March and mid April, that is CW 12 to 16. Earlier rarely pays off, because the young plants then sit too long on the windowsill before it is warm enough outside.
Soak the seeds
Put the okra seeds in a bowl of lukewarm water overnight, 12 to 24 hours. Once they swell visibly, they are ready.
Sow into single pots
Sow one or two seeds about 1 cm deep into small module or peat pots. Okra dislikes being pricked out, so keep it single from the start.
Keep it warm
Put the pots in the warmest place you have. The germination temperature should stay constantly between 22 and 28 °C. A windowsill propagator or a heat mat helps enormously.
Patience while it germinates
With enough warmth okra germinates in 7 to 14 days. Kept below 18 °C for any length of time, germination stalls or fails entirely. Do not give up, add heat.
Grow on in bright light
After emergence the seedlings need the brightest window or a grow light, otherwise they get leggy. Cooler than for germination, but never below 18 °C.
Cool spring nights are no drama for okra, but a clear stop signal. As long as the windowsill stays warm, the young plants grow briskly. Only move them outdoors once the nights are reliably mild, or you lose the head start you worked so hard for.
Building the heat trap: the spot that counts
This is where it is decided whether your okra thrives or merely survives. The trick is called a heat trap: creating a spot that catches sun and stores warmth. A south-facing wall of brick or stone is ideal, because in the evening it radiates back the warmth it stored during the day and softens cool nights. Okra crops even more reliably in a greenhouse or polytunnel.
- South wall as heat store
Plant against a sunny, sheltered house wall. The stone holds the warmth and releases it at night.
- Greenhouse or fleece tunnel
Under glass or film, both air and soil temperature rise noticeably. In the DACH region this is the safest route to a good harvest.
- Warm the soil first
A dark mulch layer or black film over the bed heats the earth before planting. Okra wants warm feet.
- Wind shelter against cool gusts
Cold wind cools faster than any night. A hedge, a fence, or a fleece on exposed days keeps the warmth in the plants.
The soil should be deeply loosened, rich in humus, and free-draining. Okra does not tolerate waterlogging at all. Work ripe compost in before planting and improve heavy, compacted soils with sand beforehand. As a heavy feeder it enjoys horn meal at planting and a second dose of compost once it flowers from late June. Go easy on nitrogen, or it pushes leaf mass at the expense of the pods.
Planting out after the cold snaps
Okra goes into open ground only once the mid-May cold snaps are over and no cold nights threaten. Harden the young plants off gradually to sun and wind first, or they get a shock. Put them outside in a sheltered spot during the day for a good week and bring them in at night until they are hardened.
When planting, keep at least 40 to 50 cm apart in the row, and about 70 cm between rows. Depending on the variety okra grows 60 cm to over 1.50 m tall and needs air so the leaves dry quickly after rain. On windy sites or with tall varieties a stake helps as support, because the stems are sturdy but top-heavy in full crop.
You do not plant okra into spring, you plant it into summer. Every day too early costs more growth than it gains.
Gardener's rule of thumb
Harvesting: young, tender, and again and again
This is the most important sentence of the whole article: harvest the pods young, at about finger length. Okra grows at breakneck speed in the warmth, and what is tender today can be woody and fibrous in two to three days. A pod of 5 to 10 cm is perfect, snaps easily when bent, and tastes fine. Leave it until it is a hand long and you can at best dry it as decoration.
Harvest every two to three days and cut the pods off just above the base with scissors or a knife rather than tearing them. The more often you pick, the more new flowers the plant sets. A well-fed okra crops this way from August into October, until the first frost ends it.
Some people react to the fine bristles on the pods and leaves. Wear thin gloves and a long-sleeved shirt when harvesting, and your skin stays calm. The tender young pods are usually less prickly than the older ones.
Varieties, neighbours, and a word about the kitchen
For our climate you choose early, compact varieties. Green classics like Okra 'Clemson Spineless' are almost bristle-free and reliable, red types like Okra 'Red Burgundy' bring colour to the bed but lose it on cooking. With open-pollinated varieties you can save your own seed by letting a single pod ripen fully and turn brown on the plant. With F1 hybrids it is not worth it, because the offspring do not come true.
Good neighbours are dwarf beans, basil, and nasturtium. Okra has hardly any bad neighbours, it is sociable. In the kitchen it lands raw in salads, briefly fried, grilled, or as a classic braised vegetable. Slow braising releases the familiar mucilaginous juice that thickens stews beautifully. If you dislike that, cook it briefly and hot or fry it whole, and it stays firm.
Abelmoschus esculentus
- Familie
- Mallow family (Malvaceae)
- Standort
- Full sun, south wall or greenhouse, sheltered
- Saison
- Sowing CW 12 to 16, harvest August to October
- Wasserbedarf
- Medium, no waterlogging
- Frosthärte
- Frost-sensitive, damage from 5 °C
Common pitfalls
Most disappointments with okra have two causes: planted too early and harvested too late. Put the young plants into the bed on cool nights and you hold them back for weeks. Leave the pods until they look nicely big and you harvest wood instead of vegetable. Both are easy to avoid if you give the plant its warmth and walk the bush regularly.
Otherwise okra is robust. In a cool, wet summer the yield naturally stays modest, and that is part of the game with a heat-loving vegetable at our latitudes. Take it sportingly: even a handful of your own pods from a Berlin balcony or a Cologne greenhouse is a small victory over the climate.
Common questions about okra
Can you grow okra outdoors in Germany?
Yes, but only with a head start and a heat trap. Start the plants indoors from mid March and set them out only after the mid-May cold snaps in a very warm, sunny spot, ideally against a south wall. In a greenhouse or polytunnel the harvest is far more reliable than in the open bed.
When do you harvest okra pods correctly?
Young, at about finger length or 5 to 10 cm. Okra grows very fast in the warmth and turns woody in two to three days. Harvest every two to three days for that reason. Once the pod is a hand long and no longer bends easily, it is too fibrous to eat.
Do you have to soak okra seeds before sowing?
It helps a lot. The seed coat is hard, so you soak the seeds for 12 to 24 hours in lukewarm water. That way they germinate faster and more evenly. Without soaking, germination takes longer and comes up patchier.
Why won't my okra seeds germinate?
Almost always it is too cold. Okra needs a constant 22 to 28 °C to germinate. Below 18 °C germination stalls or fails entirely. Put the pots in the warmest place or on a heat mat and give them 7 to 14 days.
How tall does an okra plant grow?
Depending on the variety, 60 cm to over 1.50 m. Compact varieties stay low and fit a container, while tall ones in a greenhouse or against a wall often need a stake, because they become top-heavy in full crop.
Spotted a mistake?
