🌼 Marigold 'Pot Marigold'

Sowing window (UK)	March to May
Minimum soil temperature	5°C at seed depth
Sowing depth	1 cm
Spacing	30 cm apart
Days to germination	10 days
Days to harvest	56 days
Sowing method	Direct sow outdoors
Frost hardy	Yes
Sun	full-sun
Watering	low
Plant family	Asteraceae

When should I sow Marigold 'Pot Marigold' in the UK?

In the UK, sow Marigold 'Pot Marigold' from March to May. It is normally sown direct outdoors. Wait until the soil has reached 5°C at seed depth rather than going by the calendar - marigold will sit and rot in cold ground.

What soil temperature does Marigold 'Pot Marigold' need to germinate?

Marigold 'Pot Marigold' needs a minimum soil temperature of 5°C at seed depth to germinate reliably. Below that, germination is slow and patchy, and seed is more likely to rot than sprout. Measure at around 5cm down, in the morning, rather than trusting air temperature.

How deep and how far apart should I sow Marigold 'Pot Marigold'?

For Marigold 'Pot Marigold', sow it 1cm deep and space plants 30cm apart.

How long does Marigold 'Pot Marigold' take to grow?

Marigold 'Pot Marigold' takes roughly 56 days from sowing to harvest. Seed usually germinates in about 10 days.

Is Marigold 'Pot Marigold' frost hardy?

Yes. Marigold 'Pot Marigold' is frost hardy and will stand through UK frosts, so it can be left out over winter in most of the country.

Sowing data cross-checked against RHS growing guides and UK seed-merchant catalogues. Soil temperatures are the minimum for reliable germination, measured at seed depth.