When to plant zucchini in Salem: 6 June – 31 August

In Salem, zucchini: sow for seedlings from 25 April to 10 August; plant into a greenhouse from 16 May to 31 August; plant out into open ground from 6 June to 31 August. For plants and seeds, the places nearby include GreenSpaceDesign by jude (garden centre, 1 km); addresses and opening hours are below.

Zucchini in Salem: soil, season and weather

In Salem the soil, not frost, sets the date: the last frost is over around 27 March, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 6 June, 71 days later.

Last spring frost	27 March
Top 7 cm of soil at 18 °C	6 June, 71 days after the last frost
First autumn frost	17 November, 164 days after the start
Days in the bed to the first harvest (card)	36
First harvest, if planted in this window	12 July – 6 October
Days left for picking	128
Daylight	14:52 on 16 May, 15:28 on 6 June
Watering outdoors when fruiting (card)	every 3 days; the driest month, July, has 1 rainy day

The same dates in Salem hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.

Zucchini in Salem: care after planting

Planted on 6 June: in the first weeks water every 4 days.

Pests and diseases of zucchini to watch for:

Weather in Salem during the zucchini season

About 375 mm of rain falls in the season; July is the driest month (6 mm) and November the wettest (162 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
June	25.3	11.4	42	7	15:35
July	30.3	14.2	6	1	15:17
August	30.9	14.8	9	2	14:07
September	25.9	12.2	47	7	12:35
October	18.1	8	109	11	11:02
November	12	4.8	162	16	9:35

ERA5 2016–2025, Open-Meteo

Zucchini in nearby cities

All the nearest cities on our list plant zucchini later than Salem; the closest date is in Victoria, 7 days later.

City	Distance	Date	Difference
Portland	70 km	17 June – 5 September	11 days later
Eugene	98 km	19 June – 12 August	13 days later
Olympia	234 km	26 June – 29 August	20 days later
Medford	287 km	19 June – 3 August	13 days later
Seattle	302 km	21 June – 7 September	15 days later
Victoria	389 km	13 June – 4 October	7 days later

Where to buy zucchini plants and seeds near Salem

Buy plants ready to set out from 6 June to 31 August (from 16 May to 31 August for an unheated greenhouse); seed for raising your own is sown from 25 April to 10 August. Within 15 km of Salem OpenStreetMap lists 12 garden centres, 1 farm-supply shop, 3 plant nurseries, 2 markets and 1 farm shop (collected 28 October 2026).

Mahonia Nursery and Vineyard — plant nursery
8 km
Adelman Peony Gardens — plant nursery
14 km
Brooks Tree Farm — plant nursery
15 km
GreenSpaceDesign by jude — garden centre
Commercial Street Southeast 990, 97302 Salem · Wed–Fri 11:00–17:00; Sat 10:00–16:00; Sun 12:00–16:00 · 1 km · greenspacedesign.business.site

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.

Questions