Tomato
Solanum lycopersicum
Tomato is a warm-season crop with vining or bush growth. It is usually transplanted outdoors and performs best with long hours of direct sun, steady moisture, and support installed before stems become difficult to handle.
Plant family Solanaceae · Also called garden tomato
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Plan around the last spring frost.
Tomatoes are frost-tender, so outdoor planting depends more on local temperature than on a fixed month. Starting seed indoors gives young plants several weeks to develop while nights outside are still too cold.
Use the local last spring frost date as the reference point. Sow indoors 6–8 weeks before it, then wait roughly 1–3 weeks after that date before transplanting. Harden plants off gradually and delay planting if cold nights return.
Use this range as a planning baseline and adjust for local conditions.
Use this range as a planning baseline and adjust for local conditions.
Use this range as a planning baseline and adjust for local conditions.
Use this range as a planning baseline and adjust for local conditions.
Leave room for roots and growth.
Tomato plants can be compact bushes or long, continuously growing vines. A general spacing range of 45–75 cm is a starting point, but vigorous varieties normally belong toward the wider end.
A container should provide at least 35 cm of soil depth and about 25 litres of growing medium. More root volume makes moisture easier to manage. Leave access for tying stems, inspecting foliage, and harvesting.
Core measurements
Crop-level planning range.
Crop-level planning range.
Crop-level planning range.
Crop-level planning range.
Allow for the mature form of the selected variety.
Install support early when it is required or useful.
Prioritize sun and even moisture.
Tomatoes prefer at least eight hours of direct sun. Count the hours when sunlight reaches the plant rather than total daylight, because a bright position can still receive too little direct light.
The weekly water range is a planning reference rather than a schedule. Deep garden soil, a porous pot, wind, heat, drainage, and plant size can all change how quickly the root zone dries.
Sunlight
Full sun preferred (8+ direct-sun hours/day)
Soil pH
A suitable acidity range for general growth.
Weekly water
Moderate water need.
Aim for even moisture and water deeply when the upper 2-3 cm of soil begins to dry.
Read the harvest range from transplanting.
Tomato seed commonly germinates in 5–10 days, but the 60–90 day harvest figure begins at transplanting. It does not include the weeks spent raising seedlings indoors.
Varieties differ substantially in maturity and growth. Use the range for planning, then judge readiness from mature colour, texture, and the expected characteristics of the selected variety.
Read with the full crop profile.
Read with the full crop profile.
Read with the full crop profile.
Read with the full crop profile.
Set transplants deeply and install cages or stakes early; spacing varies by growth type.
Tomato growing questions
Can tomatoes grow in a container?
Yes. Use a container at least 35 cm deep with about 25 litres of soil volume per plant, and provide a cage or stake for support.
How much direct sun does a tomato plant need?
The profile uses a minimum of eight hours of direct sun per day. Bright shade is not equivalent to the same duration of direct sunlight.
When should tomato seeds be started indoors?
Start them about 6–8 weeks before the local last spring frost, then transplant approximately 1–3 weeks after that date when conditions are suitable.
When does the tomato harvest range begin?
The 60–90 day range is counted from transplanting, not from indoor sowing. The full seed-to-harvest season is therefore longer.
Profile values are crop-level planning ranges compiled from sources S1,S2,S4. Local climate and variety can change actual results.
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