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Tomato 'San Marzano'

Solanum lycopersicum 'San Marzano'

A vine which has teardrop-shaped, meaty, plum-type tomatoes are famous for their sweet, complex flavor that creates a fabulous pasta sauce.The flesh is much thicker with fewer seeds, and the taste is stronger, sweeter and less acidic, bittersweet. It is an heirloom variety.

Planning

Difficulty
Easy
Flowering time
Spring, Summer
Fruiting time
Summer, Autumn

Harvesting

Mature in 85 to 90 days. Ripe tomatoes show deep color but still feel firm when gently squeezed. Gently grab and twist until the tomato pulls free from the stem, or use a pair of clippers. Cut stems close to fruits.

Propagation

Suckers
Remove sucker between main stem and branching leaf. Place sucker in water with only two sets of leaves at the top, wait until roots appear, plant it into the ground on a cool day/evening and water evenly.
Seed
Sow seeds indoors at 6-8 weeks prior to last expected frost date. Optimal germination occurs in 7-14 days with constant moisture.

Special features

Attracts useful insects
Bumblebees and bees.
Crop rotation
Tomatoes are heavy feeders and require well-fertilized soil. Rotate annually to prevent nutrient depletion of the soil.

Geography

Origin
Orginated from a small town of San Marzano sul Sarno, near Naples, Italy
Natural climate
Temperate

Environment

Light
Full Sun
Soil moisture
Moist
Soil type
Loam, Sand
Soil PH preference
Neutral
Frost hardiness
Tender

Uses

Edible
The red fruit is used raw or cooked in canning, paste, cooking.

Personality

Family
Solanaceae
Flower colour
Yellow
Scent
None

Problems

Common pests: Stink bugs, cutworms, tomato hornworms and tobacco hornworms, aphids, cabbage loopers, whiteflies, tomato fruitworms, flea beetles, red spider mite, slugs, and Colorado potato beetles. Common diseases: Mildew and blight, Tobacco mosaic virus, curly top.

Companion plants

Borage is thought to repel the tomato hornworm moth. The devastating tomato hornworm has a major predator in various parasitic wasps, whose larvae devour the hornworm, but whose adult form drinks nectar from tiny-flowered plants like umbellifers. Several species of umbellifer are therefore often grown with tomato plants, including parsley, queen anne's lace, and sometimes dill. These also attract predatory flies that attack various tomato pests. Plants with strong scents, like alliums (onions, chives, garlic), mints (basil, oregano, spearmint) and French marigold, (Tagetes patula) are thought to mask the scent of the tomato plant, making it harder for pests to locate it and provide an alternative landing point, less chance of the pest on the tomatos. These plants may also subtly affect the flavor of tomato fruit. Ground cover plants, including mints, stabilize moisture loss around tomato plants and other Solanaceae, which come from very humid climates, these can help prevent moisture-related problems like blossom end rot. Tap-root plants like dandelions break up dense soil and bring nutrients from below a tomato plant's reach, possibly benefiting their companion. Tomato plants can protect asparagus from asparagus beetles, because they contain solanine that kills the beetle, while asparagus plants contain Asparagusic acid that repels nematodes known to attack tomato plants. Marigolds also repel nematodes.

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