How to Grow Peppers — Any Climate
How to grow peppers anywhere in the world, without a calendar: wait for a soil temperature, not a date. Peppers are heat-loving, frost-tender. Start indoors 8-10 weeks before your last frost date; transplant only once night temperatures hold above 13°C (55°F). Give them full sun, space them 40-45 cm (16-18 in) apart, and allow 65-95 days from transplant. These thresholds hold in any climate and either hemisphere.
When to plant peppers — the conditions to wait for
There is no universal date for peppers, because the same calendar month means completely different things at different latitudes and in opposite hemispheres. What does not change is the set of conditions the plant responds to.
| Condition | What this crop needs |
|---|---|
| Temperature class | Heat-loving, frost-tender |
| When conditions are right | Start indoors 8-10 weeks before your last frost date; transplant only once night temperatures hold above 13°C (55°F) |
| Light | Full sun |
| Spacing | 40-45 cm (16-18 in) apart |
| Germination time | 7-14 days |
| Days to maturity | 65-95 days from transplant |
Observe, measure, decide
- Observe. Watch what your own garden does, not what a calendar says. When does standing water disappear in spring? Where does frost linger longest? Which corner warms first? A season of notes beats any regional average.
- Measure. Two instruments settle almost every timing question: a soil thermometer pushed 5-10cm (2-4in) into the bed at the same time each morning, and your own records of first and last frost. Soil temperature is the number that actually governs germination.
- Decide. Match the measurement to the crop's temperature class, then count backwards from your frost date using days-to-maturity. If the arithmetic does not fit your season, change the cultivar or the crop — not the date.
💡 The one instrument worth owning
A soil thermometer pushed 5-10 cm (2-4 in) into the bed, read at the same time each morning, answers more timing questions than any calendar. Soil temperature — not air temperature — governs whether seed germinates or rots.
Soil and site
Well-drained, fertile soil, pH 6.0-6.8. Peppers are slow, steady growers — feed lightly but consistently.
Watering
Even, moderate watering; avoid letting soil dry out between waterings, which causes blossom drop (see Part 3).
Spacing and layout
Space peppers 40-45 cm (16-18 in) apart. Crowding is the most common cause of disappointing yields — plants compete for light and water, and poor airflow between them raises disease pressure sharply.
Companion planting
Basil, onions.
Common problems
Blossom-end rot from uneven watering; aphids. In cooler climates, a low tunnel or greenhouse markedly improves yield.
Turn growing peppers into a written plan. The Global Vegetable Garden Planner (printable PDF) has the soil-temperature reference, crop rotation planner, sowing log and harvest tracker — 73 pages, no calendar required.
Frequently Asked Questions
When should I plant peppers?
Wait for conditions rather than a date. Start indoors 8-10 weeks before your last frost date; transplant only once night temperatures hold above 13°C (55°F). This works identically in either hemisphere.
What temperature do peppers need?
They are a heat-loving, frost-tender crop. Germination takes 7-14 days once conditions are right.
How far apart should peppers be planted?
Space them 40-45 cm (16-18 in) apart.
What usually goes wrong with peppers?
Blossom-end rot from uneven watering; aphids. In cooler climates, a low tunnel or greenhouse markedly improves yield.
Last updated 25 August 2026
Tools That Help With This Crop
Use these links when the guide moves from reading into sowing, planting, watering, and keeping the crop healthy.
Plan the next step
Use the printable SoilCommander planner for your region to turn this guide into sowing dates, bed layouts and weekly garden tasks.