Vegetables
Cucumber
A productive but thirsty vine for warm, sunny spaces with generous root room and support.
Cucumis sativus
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Photo: Vikiçizer / CC BY-SA 4.0
At a glance
- Difficulty
- intermediate
- Maintenance
- high
- Time to harvest
- 55–75 days · from-seed
- Water need
- high
- Growth habit
- climbing vine
- Indoor suitability
- poor
- Support
- Required
What this plant must have
These are minimum limits, not aspirational targets. Missing one can prevent healthy growth.
- Minimum direct light
- 6 hours
- Minimum container depth
- 30 cm (≈ 11.8 in)
- Minimum container volume
- 20 L (≈ 5.3 US gal)
- Active growth range
- 12–32 °C (≈ 53.6–89.6 °F)
- Frost behaviour
- sensitive
- Needs strong support
- Large leaves lose water quickly
Conditions it prefers
These conditions improve performance, but there may be room to adapt within the hard limits above.
- Ideal direct light
- 8–10 hours
- Ideal temperature
- 15–29 °C (≈ 59–84.2 °F)
- Preferred depth
- 35–45 cm (≈ 13.8–17.7 in)
- Preferred volume
- 30–50 L (≈ 7.9–13.2 US gal)
- Drainage
- moisture retentive
Overview
A productive but thirsty vine for warm, sunny spaces with generous root room and support.
What makes it practical
Choose a compact cultivar and sow or transplant into the final large container after conditions are warm.
What limits success
At least 6 hours of direct light; provide at least 30 cm of container depth and avoid treating the minimum as the preferred setup.
Getting started
Choose a compact cultivar and sow or transplant into the final large container after conditions are warm.
Before planting
Prepare a container with open drainage and enough volume for the plant's mature root system. The documented minimum is 20 litres.
Planting
Choose a compact cultivar and sow or transplant into the final large container after conditions are warm.
Position
Aim for 8–10 hours of direct light while watching for heat reflected from walls or glass.
Ongoing care
Check moisture frequently, train vines onto support, and avoid leaving the root zone saturated.
Watering check
This crop's water need is high. Check the mix itself instead of watering by a fixed weekday schedule.
Harvesting
Pick fruit young and often; oversized fruit can be seedy and slows further production.
Timing
The documented range is roughly 55–75 days from seed; temperature and cultivar can shift it.
Beginner mistakes
A small container may look adequate at planting but cannot buffer the water demand of a mature vine.
A useful reset
Change one condition at a time, then judge the newest growth rather than expecting damaged leaves to recover.
Troubleshooting context
Start with the visible symptom and rule out moisture, light, temperature, and root-room conflicts before assuming disease.
Relevant symptom
The launch troubleshooting library links this plant to wilting as a useful first diagnostic path.
Frequently asked questions
- How much light and root room does cucumber need?
Cucumber needs at least 6 hours of direct light. It needs a container at least 30 cm deep holding about 20 litres. A 35–45 cm container with 30–50 litres is easier to keep evenly watered. Expect roughly 55–75 days from seed, which shifts with temperature and cultivar.
Editorial review:
Reviewed by NookHarvest Editorial Team
How we review adviceCorrections and questionsProblems and next steps
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Vegetables
Set up the container
Container Gardening
Choose pots, mix, drainage, and plant combinations that make small-space care more forgiving.
Troubleshoot a likely symptom
My Plant Keeps Wilting
Wilting can reflect dry roots, damaged wet roots, heat, or recent disturbance, so check the root zone before adding water.
Flowers Keep Falling Off
Flowers yellow, dry, or detach before fruit forms
Something Is Eating the Leaves
Holes, bites, webbing, or sticky residue
There Is White Powder on the Leaves
White or gray powdery patches that spread across leaves
Is My Plant Too Dry?
Light pot, dry mix, drooping, or crisp leaves
I’m Not Sure If I’m Watering It Right
Soil stays wet or dries too quickly