Cherry

Quick facts

Category

fruiting

Difficulty

advanced

Days to harvest

1095 to 1825 days

Harvest type

continuous production over weeks or months

Spacing

480 cm between plants

Environment

Temperature

-25–28°C

pH

6 to 7

EC (hydroponic)

1.2 to 1.8 mS/cm

Daily light

24 to 38 mol/m²/day

Climate and zones

USDA zones

4 to 8 (winter low around -34°C or warmer)

Frost tolerance

very hardy (survives deep cold)

Season

cool (spring and fall crops)

Viable growing environments:

• outdoor year-round (in zone)

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 works in:

• 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 works in the media listed below).

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.

Companion-growing notes

• High transpiration. Reservoir level will need regular top-ups during fruiting or flowering.

Aquaponics suitability

Not recommended for pure aquaponics. Fish waste alone doesn't provide enough of the nutrients this crop demands (typically potassium, calcium, or boron). It can be grown in a hybrid system where the reservoir is supplemented with hydroponic-style nutrients, but expect to dose actively.

Care notes

Not a practical hydroponic crop due to tree size, chilling requirement, and the years needed to reach bearing age (3-5 years from grafted nursery stock). For aquaponics integration, dwarf cherry trees on dwarfing rootstock ('Gisela 5', 'Gisela 6') can be grown in large containers (50 L) near outdoor systems and irrigated with nutrient-rich effluent. pH 6.0-7.0. Full sun (DLI 20+ mol/m2/day). The trees must experience winter outdoors; indoor year-round growing is not feasible. Self-fertile varieties ('Stella', 'Lapins', 'Sweetheart') eliminate the need for a second tree. Sweet cherries on Gisela 5 rootstock stay 2–3 m tall and begin bearing at 2-3 years. Sour cherries ('Montmorency', 'North Star') are self-fertile, slightly more compact, and more cold-hardy than sweet types. Bird netting is essential at fruiting time; birds will strip a tree in hours. Brown rot (Monilinia) is the main disease. For small-scale growers, a single dwarf sweet cherry tree produces 5–15 kg of fruit annually, worth $40-200+ at retail, making it a high-value tree crop even in a container.

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.

Further reading

• What to grow in an aquaponics system (and what won't work)