The Complete Guide to Yam Farming in Yakima
Can you grow Yam in Yakima? Not typically viable. Ideal soil pH 5.8 - 8.5, ~8.44 t/ha yield, $645 - $3,062 / t market range. Soil, climate and ROI data.
Is Yam viable in Yakima?
Yam is not typically viable in Yakima: growing-season temperatures (~20.8°C) run well below its 25–32°C optimum; winter lows (~-9.4°C) would freeze this frost-sensitive perennial in cold years; annual rainfall (~367 mm) is far below its 800 mm need, so irrigation is essential. Yam is a perennial roots & tubers that performs best around 25 - 32 °C with a seasonal water requirement of 800 mm / season. Run a coordinate-level audit for the exact figures at your field.
Growing Yam in Yakima: what to expect
Rainfall in Yakima (~367 mm/yr) covers only about 46% of Yam's ~800 mm need, so budget for supplemental irrigation. Winter lows near -9.4°C will damage or kill Yam in cold years — grow it only in protected microclimates or pick the hardiest available cultivars. Plant Yam in early spring once the risk of hard frost has passed in Yakima.
Optimal Soil & Climate Conditions for Yam
To maximize your Yam yield in Yakima, match your field to the crop's actual requirements below before planting.
| Parameter | Yam Requirement |
|---|---|
| Soil pH | 5.8 - 8.5 |
| Water Requirement | 800 mm / season |
| Optimal Temperature | 25 - 32 °C |
| Waterlogging Tolerance | Intolerant |
| Nitrogen Demand | High |
Expected Yield & Financial Forecasting
Lenders and growers evaluating Yam in Yakima weigh production against live commodity prices. The figures below are this crop's typical baselines.
| Metric | Estimated Value |
|---|---|
| Average Yield / Hectare | 8.44 t/ha |
| Market Price | $645 - $3,062 / t |
| Estimated Gross Revenue | $15,644 / Hectare |
Yam in other regions
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