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Tomato Shirley F1


There’s nothing quite as delightful as biting into a sun-warmed tomato freshly plucked from your own backyard. Tomato ‘F1 Shirley’ stands out in this regard. This early-maturing tomato variety has been a favorite for home cultivation since the 1970s, swiftly earning its place as the nation’s preferred choice.

Designed for cold or slightly heated glasshouses, Tomato ‘F1 Shirley’ is an indoor cordon type with fruits grown on short joints. These robust plants bear an early and abundant crop over an extended period, consistently yielding more than 6kg of fruits. Resistant to various diseases, including Tobacco Mosaic Virus, Cladosporium fuluum race A, B, C, D, and E, and Fusarium oxysporum race 1 & 2, it is highly recommended and easy to cultivate.

Tomato ‘F1 Shirley’ produces top-quality, medium-sized red fruits with a firm skin, offering a delightful taste and texture.

Approximately 8-10 Seeds

In stock

Useful Information

Sowing & Growing

Individually sow tomato seeds in cell trays using high-quality seed compost. Lightly cover the seeds and maintain moisture at a temperature of 18 degrees. Seedlings typically emerge in about 7 days under the right conditions. Transplant into 9cm pots when seedlings reach a sufficient size. Begin weekly feeding with a diluted tomato feed once plants have developed 2 true leaves.

As the plants reach 20cm in height, they can be planted in their final positions. Greenhouse-grown plants usually yield an earlier and larger crop due to the warmth they provide. Greenhouse plants can be planted from April onwards. Outdoor plants should be hardened off before planting. Use cloches for planting in early May; otherwise, wait until June, considering weather conditions and frost risks. Continue weekly feeding, gradually increasing the strength of the feed as the plants grow.

Provide support for cordon variety Tomato Shirley as it grows. Use string tied securely to a strong support wire above, looping it loosely around the base of the plant. Twist the plants around the string as they grow. Alternatively, use canes, ensuring they are securely tied to prevent sliding. Consistency in twisting direction is essential.

Regularly remove sideshoots before they become large, either by hand or, if necessary, with a knife or secateurs. Remove congested leaves and old leaves from the bottom of the plant as they age; they should snap off easily. This practice facilitates easier harvesting of ripe fruits and reduces the risk of disease.

Additional information

Packet Size

Approximately 8-10 Seeds

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