Cherry tomato / Cocktail tomato (Solanum lycopersicum var. cerasiforme) growing guide

Quick facts

Category: fruiting
Difficulty: intermediate
Days to harvest: 65 to 90 days
Harvest type: continuous production over weeks or months
Spacing: 50 cm between plants

Environment

Temperature: 18–28°C
pH: 5.5 to 6.5
EC (hydroponic): 2 to 3.5 mS/cm
Daily light: 22 to 30 mol/m²/day (strict, will fail outside this range)

Climate and zones

USDA zones: 10 to 13 (winter low around -1°C or warmer)
Frost tolerance: frost sensitive (dies at first frost)
Season: warm (summer crops, frost-sensitive)

Viable growing environments:

outdoor year-round (in zone)
outdoor in growing season (annual)
unheated greenhouse / hoop house
heated greenhouse
indoor (heated home)
indoor hydroponics under grow lights

USDA zone bounds reflect outdoor year-round survival. Anywhere outside the bounded zone range, this crop still grows as an annual in the warm months (outdoor_seasonal), under cover (greenhouse), or indoors under lights.

Growing systems

Cherry tomato works in:

drip / Dutch buckets
media bed (ebb and flow)
soil bed

Root mass is very heavy - thin-channel systems (NFT, vertical towers) can't hold this crop mechanically, hence the system list above.

Growing media

The substrate the roots sit in. Choice depends on the system (clay pebbles don't fit NFT channels; rockwool isn't used in media beds) and the crop (cherry tomato works in the media listed below).

Medium	pH effect	Water retention	Bacterial surface
Expanded clay pebbles (LECA)	neutral / inert	low	high
Coco coir (Coconut coir)	slightly acidic	high	moderate
Perlite (Expanded volcanic glass)	neutral / inert	very low	low
Rockwool (Mineral wool)	alkaline until pre-soaked	very high	low
Soil-based mix (Potting soil)	varies by source	high	high

Bacterial surface area matters for aquaponics: clay pebbles, lava rock, and pumice double as biofilter substrate. Low-surface media (rockwool, perlite, pea gravel) work in hydroponics but need a separate biofilter in aquaponics.

Nutrient demand by stage

NPK ratios are relative weights at each growth stage; the nutrient mix calculator scales them to absolute grams or ml. EC targets shift through the plant's life: seedlings need a much lighter solution than fruiting adults.

Stage	N	P	K	EC target (mS/cm)
seedling	1	1	1	1
vegetative	3	1	2	2.2
flowering	2	2	3	2.6
fruiting	1	2	4	3

Companion-growing notes

Heavy uptake of potassium, calcium, phosphorus. Co-grown crops with the same demand will end up deficient even at "correct" EC. Plan around this in shared reservoirs.
Releases compounds through the roots that can mildly inhibit other crops in the same reservoir or bed. The effect is usually subtle but worth knowing if neighbors look stunted.
Very high transpiration. Reservoir level drops fast once the plant is mature; expect daily top-ups and watch for EC creeping up as water evaporates faster than salts.

Aquaponics suitability

Compatible with typical aquaponics nutrient profiles. Fish waste provides enough nitrogen for healthy growth; supplemental potassium, calcium, and iron may still be needed depending on fish stocking density.

Care notes

The most productive and forgiving hydroponic tomato type. DWC, Dutch bucket, drip, or Kratky systems all work. EC 2.0-3.5 mS/cm. pH 5.5-6.5. Temperature: 20–28°C daytime, 15–18°C night. High light (DLI 20-30 mol/m2/day). Most cherry varieties are indeterminate (continuous vine growth), requiring string support or staking. Train the vine up a string, removing all suckers (side shoots) for a single-leader system, or allow 2 leaders. From transplant to first ripe fruit: 55-70 days, faster than beefsteak types. Harvest when fruits are fully colored and detach from the vine easily. Each plant produces 3–8 kg of fruit over a season (200-500+ individual tomatoes), making cherry tomatoes one of the highest-yielding crops per plant. Pollination: shake flowering trusses gently or use a vibrating pollinator (electric toothbrush works). Calcium supplementation prevents blossom end rot, though cherry types are less prone to BER than larger varieties. Common issues: splitting (caused by irregular watering), blossom drop (temperature extremes), and leaf mold in humid conditions. A top-tier beginner hydroponic crop.

Notable varieties

A starting shortlist of cultivars worth knowing about. Not exhaustive: the seed catalogs list hundreds of named varieties. These are the ones home growers commonly choose between.

Cultivar	Type	Breeder / origin	Days	Size	Notes
Sungold	hybrid	Tokita Seed	57	15 g	Indeterminate orange F1. Sweetest cherry tomato most growers have ever tasted; sugar content 9-10 Brix. Skin cracks easily, doesn't ship, must be grown at home. Vines reach 2.5m, heavy producer.
Sweet 100	hybrid		65	18 g	Indeterminate red F1. Long pendulous trusses of 50-100 fruit each. Less complex flavor than Sungold but more reliable in cool / wet seasons. Common at garden centers everywhere.
Black Cherry	open-pollinated		65	20 g	Indeterminate dark purple-brown. Rich, almost smoky flavor distinct from any red cherry. Open-pollinated so seed saves true. Less productive per plant than Sungold but unique on the plate.
Yellow Pear	heirloom		78	15 g	Pre-1800s heirloom. Yellow pear-shaped fruit, low acid, mild. Vigorous to the point of weediness; a single vine can swamp a 60cm cage. Productive but flavor is modest compared to modern hybrids.
Matt's Wild Cherry	heirloom		60	8 g	Mexican wild ancestor, marble-sized red fruit on sprawling plants. Disease-resistant where modern hybrids fail; thrives in humid / hot conditions. Intense tomato flavor in a tiny package.