Seed Swaps

Tomato 'Big Rainbow'     

Solanum lycopersicum

  • 48 plantings
  • 8 available for swap
  • 5 wanted
  • 38 stashed

Big Rainbow is a variety of Tomato which is a member of the Solanum family. Its botanical name is Solanum lycopersicum 'Big Rainbow'. 'Big Rainbow' is considered a heirloom OP (open polliated) cultivar. Blooms normally display as a colour very similar to   Painter yellow. Its fruits normally ripen as a colour very similar to   Cadmium orange and   Orange-red. Leaves usually appear in   Ao green colour.

Late season, bi-coloured orange with red marbling heirloom. 1-2lb fruit with ribbed shoulders on a regular-leafed plant. Good disease resistance.

A type of Fruit, it mainly grows as an Annual plant - which means it typically only grows best for a single growing season. Big Rainbow is known for growing to a height of approximately 1.20 metres (3.90 feet).

United States is believed to be where Big Rainbow originates from.

Big Rainbow Tomato is normally fairly low maintenance and quite easy to grow, as long as a level of basic care is provided throughout the year. Being aware of the basic soil, sun and water preferences will result in a happier and healthier plant.

This variety plant info is provided by the myfolia gardener's wiki. All details about Big Rainbow have been kindly provided by our members.

How to grow 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. Use USDA Hardiness Zone 3 - 14 as your guideline for the appropriate climate for this plant. 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.

Latest Tomato 'Big Rainbow' Reviews

  • matured too late in my Seattle climate. Sweet, but grainy texture, lots of splitting

    2 stars

    anelson about growing Tomato Rainbow

See all Big Rainbow reviews and experiences »

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