When to plant tomatoes in Perth (United Kingdom): 13 June – 22 July

In Perth (United Kingdom), tomato: sow for seedlings from 1 April to 31 May; plant into a greenhouse from 23 May to 22 July; plant out into open ground from 13 June to 22 July. For plants and seeds, the places nearby include Family Tree Farms (farm supply, 0 km) and Dobbies (garden centre, 3 km); addresses and opening hours are below.

Tomato in Perth (United Kingdom): soil, season and weather

In Perth (United Kingdom) the soil, not frost, sets the date: the last frost is over around 28 April, but the top 7 cm of soil reaches 15 °C — the minimum on the tomato card — only around 13 June, 46 days later.

Last spring frost	28 April
Top 7 cm of soil at 15 °C	13 June, 46 days after the last frost
Into an unheated greenhouse	23 May – 22 July; May outside: 6.3 °C at night, 14.9 °C by day; card 16–27 °C
First autumn frost	11 November, 151 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	22 August – 30 September
Days left for picking	81
Daylight	14:44 on 22 April, 17:39 on 13 June
Watering outdoors when fruiting (card)	every 3 days; the driest month, June, has 15 rainy days

Tomato in Perth (United Kingdom): care after planting

Planted on 13 June: in the first weeks water every 4 days.

Feeding, by the card’s schedule from that day:

13 June — feed: balanced (NPK)
11 July — feed: nitrogen

Pests and diseases of tomato to watch for:

Dates count from the first planting day of the window above; a later planting moves them by as many days.

Weather in Perth (United Kingdom) during the tomato season

No month of the season averages above the tomato card's 16–27 °C by day; the warmest, July, averages 18.5 °C. Months that stay below 16 °C even by day on average: September (15.6 °C), October (11.9 °C) and November (8 °C). Nights average below 16 °C in every month of the season, from 2.5 °C to 10.7 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
June	17	9.1	84	15	17:41
July	18.5	10.7	98	15	17:09
August	17.8	10.4	101	15	15:12
September	15.6	8.5	88	14	12:50
October	11.9	6	129	16	10:30
November	8	2.5	98	15	8:14

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

Around Perth (United Kingdom), Edinburgh is 10 days earlier and Aberdeen 7 days later.

City	Distance	Date	Difference
Dundee	29 km	16 June – 23 July	3 days later
Stirling	44 km	17 June – 20 July	4 days later
Edinburgh	52 km	3 June – 20 July	10 days earlier
Glasgow	79 km	3 June – 22 July	10 days earlier
Aberdeen	115 km	20 June – 31 July	7 days later
Inverness	129 km	7 June – 24 July	6 days earlier

Where to buy tomato plants and seeds near Perth (United Kingdom)

Buy plants ready to set out from 13 June to 22 July (from 23 May to 22 July for an unheated greenhouse); seed for raising your own is sown from 1 April to 31 May. Within 15 km of Perth (United Kingdom) OpenStreetMap lists 6 garden centres, 2 farm-supply shops, 1 market and 5 farm shops (collected 28 October 2026).

Dobbies — garden centre
Crieff Road, PH1 3JJ Perth · Mon–Sun, public holidays 09:00–18:00 · 3 km · dobbies.com
Sellars Agriculture Ltd — farm supply
Almondgrove Place 2, PH1 3TR Perth · Mon–Fri 08:00–17:00; Sat 08:00–12:00 · 4 km
Family Tree Farms — farm supply
Rose Terrace 6-7, PH1 5HA Perth · 0 km
Errol Sunday Market — market
Sun 10:00–16:00 · 15 km · errolsundaymarket.co.uk

Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.

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