Tomato 'Calf's Heart'

Solanum lycopersicum

How to grow Tomato 'Calf's Heart'

  • Full Sun

  • Medium

Calf's Heart likes a position of full sun and remember to water moderately. Keep in mind when planting that Calf's Heart is thought of as tender, so it is really important to ensure that the outside temperature is well above freezing before planting or moving outdoors. Ensure your soil is loamy and has a ph of between 5.0 and 6.0 as Tomato is a moderately acidic soil to weakly acidic soil loving plant.

Growing Calf's Heart from seed

Start seeds indoors six weeks before last frost date.

Look to ensure a distance 2.60 feet (80.0 cm) between seeds when sowing - bury at a depth of at least 0.78 inches (2.0 cm) deep. Soil temperature should be kept higher than 12°C / 54°F to ensure good germination.

By our calculations, you should look at sowing Calf's Heart about 42 days before your last frost date.

Transplanting Calf's Heart

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

Plant to the first set of true leaves to promote strong root growth.

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Calf's Heart is a tender plant.

Harvesting Calf's Heart

This variety tends to be ready for harvesting by mid summer.

Tomato Calf's Heart Etymology

Calf’s Heart denotes its smaller size than a standard oxheart-type tomato.

Calf's Heart folklore & trivia

Family heirloom from Kentucky, United States.