Sweet 100 Cherry Tomato (Sweet 100 tomato) care

Light

Aim for at least 4-6 hours of direct sun on the leaves. Full sun, at least 6-8 hours daily. Abundant light drives the heavy fruiting and high sugar content this variety is known for. If your only bright window faces south, that's perfect for sweet 100 cherry tomato — same window any aroid would fry on.

Watering

Crops like sweet 100 cherry tomato reward consistent watering — keep evenly moist; water deeply every 2-3 days, daily in containers or hot weather. The mistake is the daily light sprinkle: it never reaches the deeper roots. A long soak twice a week beats a five-minute splash every day. Cherry types crop heavily and dry out fast, especially in pots; consistent moisture prevents the splitting these thin-skinned fruit are prone to. Water at the base and mulch.

Soil and pot

Sweet 100 Cherry Tomato grows best in rich, fertile, well-drained loam. Fertile, organic-matter-rich soil with slightly acidic to neutral pH (around 6.0-6.8) and free drainage. Tolerant and productive in large containers with quality compost. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Sweet 100 Cherry Tomato sits happiest at around 40-70% humidity and 18-29°C (65-85°F). Moderate humidity suits it; high humidity with poor airflow encourages fungal disease, while very dry air can reduce pollination. Space and ventilate well. If you keep the room above 18 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed sweet 100 cherry tomato sparingly. Balanced fertiliser at planting, then a high-potassium tomato feed weekly once fruiting starts; the heavy crop benefits from regular feeding. Curb nitrogen once flowering to favour fruit over foliage. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on sweet 100 cherry tomato in the Growli community. Each is annotated with the most common cause so you know where to start.

• Fruit splitting — Thin-skinned cherry fruit crack readily after rain or irregular watering; keep moisture even and pick promptly as fruit colours up.
• Vigorous, sprawling growth — The plant grows fast and tall and quickly overwhelms weak supports; provide sturdy tall staking and remove side-shoots if grown as a cordon.
• Blight in wet seasons — Foliage and fruit can succumb to late blight in warm, wet weather; ensure airflow, water at the base, and remove infected material.
• Skipped or split harvests — The huge trusses ripen in waves and over-ripe fruit splits or drops; harvest little and often to keep trusses cropping cleanly.

Propagation

Sow seed indoors 6-8 weeks before the last frost, grow on warm and harden off before transplanting after frost; clones easily from rooted side-shoots or stem cuttings placed in water or compost. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Sweet 100 Cherry Tomato is toxic to pets. The ASPCA lists the tomato plant as toxic to dogs and cats. Foliage, stems and unripe green fruit contain solanine and tomatine; ingestion can cause drooling, vomiting, diarrhoea, lethargy, weakness, dilated pupils and a slowed heart rate. Only the ripe fruit flesh is low-risk. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Sweet 100 Cherry Tomato deep-dive guides

Every aspect of sweet 100 cherry tomato care, each with its own calibrated guide:

• Sweet 100 Cherry Tomato watering schedule
• Sweet 100 Cherry Tomato light requirements
• Best soil mix for sweet 100 cherry tomato
• Sweet 100 Cherry Tomato fertilizing guide
• When to repot sweet 100 cherry tomato
• How to propagate sweet 100 cherry tomato
• Sweet 100 Cherry Tomato growth rate & size
• Sweet 100 Cherry Tomato cold hardiness
• Sweet 100 Cherry Tomato temperature & humidity
• Is sweet 100 cherry tomato toxic to cats & dogs?
• Is sweet 100 cherry tomato toxic to cats?
• Is sweet 100 cherry tomato toxic to dogs?

Related guides

Sweet 100 Cherry Tomato is also commonly called Sweet 100 tomato or Sweet 100 cherry.

• Tomato care — light, water and common problems
• Pepper care — light, water and common problems
• Cucumber care — light, water and common problems
• All 2464 plant care guides in the Growli library