How to Grow Quicksilver Tomato

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Quicksilver Tomato

Solanum lycopersicum 'Quicksilver'

vegetable

Quicksilver is a determinate cherry tomato variety known for its exceptionally early maturity and silvery-gray foliage that gives it its distinctive name. It produces abundant small, sweet red fruits and is prized by gardeners in short-season climates who want ripe tomatoes quickly. The plant is compact and bushy, making it suitable for containers and small garden spaces.

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Example Quicksilver Tomato timeline · Pittsburgh, PA (Zone 6b)

Plant Quicksilver Tomato
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Quicksilver Tomato
Around Jun 6

≈ 50 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Quicksilver Tomato dates for your own zip code.

Growing Conditions

☀️

Sun: Full sun, 8+ hours daily

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Water: Consistent moisture, 1-2 inches per week; water at soil level to prevent disease; allow soil to dry slightly between waterings

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Spacing: 18 inches

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Days to maturity: 50-60 days from transplant

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Planting depth: Bury seed ¼ inch deep; transplants should be set deep with lower leaves removed, burying stem up to first true leaf set

Soil

Type: Well-draining loamy soil rich in organic matter

pH: 6.0-6.8

Amendments:

compost aged manure peat moss or coco coir balanced fertilizer (5-10-10)

Growing Zones

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Excels in zones 2-9, particularly valuable in short-season zones 2-4

2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b

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Growth Stages

Seedling

7-10 days to emergence, 3-4 weeks until transplant-ready

Tiny sprouts emerge with cotyledons (seed leaves); true leaves begin forming; plant is delicate and small

Keep soil consistently moist but not waterlogged; provide 14-16 hours of grow light; maintain 70-75°F temperature; thin seedlings if overcrowded

Transplant/Hardening

1-2 weeks

Seedlings develop 4-6 true leaves and a small root system; plant becomes sturdier with silvery foliage becoming visible

Gradually expose seedlings to outdoor light and temperature fluctuations over 7-10 days; water moderately; maintain 65-70°F; begin light feeding with dilute fertilizer

Vegetative/Growth

3-4 weeks

Plant establishes in garden with vigorous stem and leaf growth; branches develop; roots extend throughout soil; characteristic silvery foliage becomes prominent

Water consistently and deeply; mulch to retain moisture; provide sturdy stakes/cages for support; remove lower leaves once plant is established; fertilize every 2-3 weeks with balanced fertilizer

Flowering/Fruiting

3-4 weeks from flowering to first ripe fruit

Yellow flowers appear in clusters; small green fruits develop rapidly; plant reaches full bushy form; early fruits begin ripening to red

Maintain consistent watering (critical during fruit set); switch to lower-nitrogen fertilizer (higher potassium); remove some upper foliage to allow sun to reach fruits; watch for early blight

Harvest

4-8 weeks (until first frost in cool zones)

Abundant red cherry tomatoes appear continuously on compact plant; fruits are small (0.75-1 inch), sweet, and glossy red; plant maintains productivity

Pick ripe fruits regularly to encourage continued production; maintain watering and fertilizer schedule; monitor for pests and disease; pinch off any new flower clusters 6 weeks before frost

Companion Planting

Plan your garden →

Plant with:

basil parsley marigold carrot onion garlic borage nasturtium

Avoid planting near:

brassicas (cabbage, broccoli) fennel kohlrabi potatoes dill

Common Pests

Hand-pick large caterpillars; use Bt (Bacillus thuringiensis) spray; encourage parasitic wasps; monitor regularly
Spray with insecticidal soap; use reflective mulches; introduce parasitic wasps; neem oil treatment
Increase humidity; spray with water; use miticides if severe; neem oil; encourage predatory mites
Remove affected lower leaves; improve air circulation; mulch to prevent soil splash; apply copper fungicide; water at soil level only
Remove infected plants; use resistant varieties; apply fungicide at first sign; improve air circulation; avoid overhead watering

Uses

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Fresh Snacking & Salads

Culinary

Quicksilver cherry tomatoes are perfect for eating fresh off the vine as a sweet snack and add vibrant flavor to summer salads. Their small size and intense sweetness make them ideal for garnishing dishes and adding to pasta salads. [source]

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Sauces & Preserves

Culinary

The abundant yield of Quicksilver tomatoes makes them excellent for making fresh tomato sauce, salsa, and preserves. Their concentrated sweetness develops complex flavor when cooked down. [source]

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Container & Patio Growing

Household

Quicksilver's compact determinate habit and early maturity make it ideal for growing in containers, window boxes, and patio gardens where space is limited. A single plant in a 5-gallon pot can produce abundant fruit. [source]

🍳

Short-Season Gardening

Culinary

With a 50-60 day maturity, Quicksilver is exceptionally valuable for gardeners in cold climates (zones 2-4) where traditional tomato varieties cannot fully ripen. It extends the growing season possibilities in northern gardens. [source]

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Pollinator Support

Wildlife

The abundant yellow flowers produced by Quicksilver attract bees and other beneficial pollinators, supporting garden biodiversity and fruit set. The plant provides food for beneficial insects while being productive. [source]

Harvest Tips

Pick fruits when fully red and slightly soft; Quicksilver typically matures in 50-60 days from transplant, making it ideal for early harvests; in short seasons, fruits continue ripening until first frost; for continuous harvest, pick ripe fruits every 2-3 days to stimulate further flowering; fruit ripens quickly once it starts turning red; in cool climates, pick any remaining green fruits at season's end and ripen indoors

Fun Facts

🌱 Quicksilver gets its name from the silvery-gray appearance of its foliage, which contains fine hairs that give the leaves a shimmering, metallic look—a genetic trait that makes it visually distinctive among cherry tomato varieties
🌱 This variety was developed specifically for short-season climates and is one of the fastest-maturing tomato varieties available, sometimes producing ripe fruit in just 50 days from transplant, making it a favorite for northern gardeners
🌱 The compact, determinate growth habit means Quicksilver plants often produce most of their fruit crop within a 2-4 week window, making them excellent for succession planting if you want continuous harvests throughout the season

Gardening Terms

New to gardening? Learn about terms used in this guide:

Full Sun Mulch Transplant True Leaves

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