Tomato 'Big Rainbow'

Solanum lycopersicum

How to grow Tomato 'Big Rainbow'

  • Full Sun

  • Medium

Needs to be caged or staked.

Big Rainbow likes a position of full sun and remember to water moderately. Big Rainbow is generally regarded as a tender plant, so remember to ensure that temperatures are mild before moving outdoors. Big Rainbow needs a loamy soil with a ph of 5.0 to 6.0 (moderately acidic soil to weakly acidic soil).

Growing Big Rainbow from seed

Start seeds indoors six weeks before last frost date.

Aim to sow 0.78 inches (2.0 cm) deep and try to ensure a gap of at least 2.60 feet (80.0 cm). For optimal germination, soil temperature should be a minimum of 12°C / 54°F.

By our calculations, you should look at sowing Big Rainbow about 42 days before your last frost date.

Transplanting Big Rainbow

Transplant out when around 15cm (6 inches) high.

Plant to first set of leaves to promote strong roots.

Big Rainbow is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside.

Harvesting Big Rainbow

This variety tends to mature and be ready for harvest in late summer.

Big Rainbow folklore & trivia

Introduced in the early 80’s through the Seed Savers Exchange, originally a family heirloom from Polk County, Minnesota. First introduced commercially in 1990.