Site Selection and Production Goals
Evaluate an outdoor or protected-cultivation site by matching lawful production goals to climate, soil, water, access, contamination, infrastructure, and risk.
Evaluate an outdoor or protected-cultivation site by matching lawful production goals to climate, soil, water, access, contamination, infrastructure, and risk.
Core science
A cultivation site is a biological environment, a logistics system, and a risk boundary. The same parcel can be suitable for fiber, grain, seed, nursery stock, or unpollinated flower under one management plan and unsuitable under another. Start with the intended crop, cultivar type, planting and harvest window, quality specification, testing obligations, labor model, irrigation demand, security, and postharvest capacity.
Site selection must separate mapped information from field verification. Climate normals, soil surveys, topography, aerial imagery, and water records are useful screening tools, but they cannot reveal every compacted layer, perched water table, contaminated fill area, frost pocket, broken drain, neighboring pollen source, pesticide drift pathway, wildlife route, or smoke exposure. Walk the site during wet and dry conditions and inspect access, slopes, drainage outlets, wind exposure, shade, utility corridors, neighboring land use, and emergency routes.
The best site is not necessarily the warmest or sunniest. Excess exposure can increase drought, wind damage, heat load, irrigation demand, and flower-weather risk. Protected structures can reduce rain and extend seasons but may increase heat, humidity, condensation, disease pressure, and structural risk. Site choice is therefore a tradeoff among plant performance, product protection, environmental impact, worker safety, and reliable operation.
Why this matters in cultivation
- Create a written site decision before purchasing infrastructure or planting. Rank limiting factors, define what can be corrected, identify what requires professional design or testing, and reject sites whose legal, water, contamination, access, or drainage risks cannot be controlled.
Measure and record
Record 1
Before evaluating site selection and production goals, record the site, crop, and measurement context, including Site coordinates and boundaries, lawful use and crop goal, soil map units and field samples, water source, quantity and quality. Use fixed locations, definitions, and instruments so later comparisons are not confounded by changing observation methods.
Record 2
During the observation period, track slope/aspect, shade and wind map, flood/frost history, neighboring crops and chemical use, wildlife routes together with date and time, weather or structure state, crop stage, and any intervention that could change the response. Preserve raw measurements and notable spatial variation rather than only summary values.
Record 3
At the decision point, document utilities, worker access, emergency and postharvest routes, unresolved risks and approver.. Compare the result with the production objective, note uncertainty and exceptions, and retain enough traceability to reconstruct why the action was taken.
Common misconceptions
Evidence limits and uncertainty
No universal site score applies across crop goals, jurisdictions, soils, climates, structures, and product specifications. Numerical thresholds and response magnitudes should therefore be treated as context-specific unless the cited evidence matches the site, cultivar, developmental stage, measurement method, and production system under review.
Climate normals, extension guidance, engineering references, and non-cannabis crop studies can support mechanism and planning, but they do not establish a universal cannabis target. Current local weather, site measurements, structural limits, and applicable rules remain required controls.
Check your reasoning
- For "Site Selection and Production Goals", explain the mechanism behind this objective: Evaluate an outdoor or protected-cultivation site by matching lawful production goals to climate, soil, water, access, contamination, infrastructure, and risk. Which observation or measurement would best test whether that mechanism is operating in the real crop?
- A learner claims, "A sunny field is automatically a good cannabis site." Use the lesson’s science and evidence limits to explain why that claim is unreliable, then name one observation or measurement that could separate the competing explanations.
- Applied case — Create a written site decision before purchasing infrastructure or planting. Rank limiting factors, define what can be corrected, identify what requires professional design or testing, and reject sites whose legal, water, contamination, access, or drainage risks cannot be controlled. Build a verification plan using the lesson’s record set (Site coordinates and boundaries; lawful use and crop goal; soil map units and field samples; water source, quantity and quality; slope/aspect; shade and wind map; flood/frost history; neighboring crops and chemical use; wildlife routes; utilities; worker access; emergency and postharvest routes; unresolved risks and approver.). What would you compare before and after the action, and what result would make you revise the original interpretation?
Require lesson-specific evidence, not memorized universal targets. Open the rationales after you have written or discussed your own answer.
Answer rationale 1: Mechanism / workflow rationale
- A strong answer should connect the response to the lesson objective: Evaluate an outdoor or protected-cultivation site by matching lawful production goals to climate, soil, water, access, contamination, infrastructure, and risk.
- A cultivation site is a biological environment, a logistics system, and a risk boundary. The same parcel can be suitable for fiber, grain, seed, nursery stock, or unpollinated flower under one management plan and unsuitable under another. Start with the intended crop, cultivar type, planting and harvest window, quality specification, testing obligations, labor model, irrigation demand, security, and postharvest capacity.
- Site selection must separate mapped information from field verification. Climate normals, soil surveys, topography, aerial imagery, and water records are useful screening tools, but they cannot reveal every compacted layer, perched water table, contaminated fill area, frost pocket, broken drain, neighboring pollen source, pesticide drift pathway, wildlife route, or smoke exposure. Walk the site during wet and dry conditions and inspect access, slopes, drainage outlets, wind exposure, shade, utility corridors, neighboring land use, and emergency routes.
- The most useful verification evidence includes Before evaluating site selection and production goals, record the site, crop, and measurement context, including Site coordinates and boundaries, lawful use and crop goal, soil map units and field samples, water source, quantity and quality. Use fixed locations, definitions, and instruments so later comparisons are not confounded by changing observation methods..
- Keep this limit explicit: No universal site score applies across crop goals, jurisdictions, soils, climates, structures, and product specifications. Numerical thresholds and response magnitudes should therefore be treated as context-specific unless the cited evidence matches the site, cultivar, developmental stage, measurement method, and production system under review.
Answer rationale 2: Misconception rationale
- The shortcut is unreliable because the lesson explicitly teaches a more conditional explanation.
- Representative misconception: A sunny field is automatically a good cannabis site. This is too simple because outdoor crop response also depends on genotype, developmental stage, local microclimate, soil or root-zone condition, and the way the variable was measured.
- A cultivation site is a biological environment, a logistics system, and a risk boundary. The same parcel can be suitable for fiber, grain, seed, nursery stock, or unpollinated flower under one management plan and unsuitable under another. Start with the intended crop, cultivar type, planting and harvest window, quality specification, testing obligations, labor model, irrigation demand, security, and postharvest capacity.
- A useful discriminator is During the observation period, track slope/aspect, shade and wind map, flood/frost history, neighboring crops and chemical use, wildlife routes together with date and time, weather or structure state, crop stage, and any intervention that could change the response. Preserve raw measurements and notable spatial variation rather than only summary values..
- Do not overextend the conclusion beyond this limit: No universal site score applies across crop goals, jurisdictions, soils, climates, structures, and product specifications. Numerical thresholds and response magnitudes should therefore be treated as context-specific unless the cited evidence matches the site, cultivar, developmental stage, measurement method, and production system under review.
Answer rationale 3: Applied verification rationale
- In practice: Create a written site decision before purchasing infrastructure or planting. Rank limiting factors, define what can be corrected, identify what requires professional design or testing, and reject sites whose legal, water, contamination, access, or drainage risks cannot be controlled.
- Record before action: Before evaluating site selection and production goals, record the site, crop, and measurement context, including Site coordinates and boundaries, lawful use and crop goal, soil map units and field samples, water source, quantity and quality. Use fixed locations, definitions, and instruments so later comparisons are not confounded by changing observation methods..
- Also record: During the observation period, track slope/aspect, shade and wind map, flood/frost history, neighboring crops and chemical use, wildlife routes together with date and time, weather or structure state, crop stage, and any intervention that could change the response. Preserve raw measurements and notable spatial variation rather than only summary values..
- After the action, repeat the same measurement or observation so the comparison is valid.
- Revise the interpretation if the result conflicts with the lesson limit or the expected response: No universal site score applies across crop goals, jurisdictions, soils, climates, structures, and product specifications. Numerical thresholds and response magnitudes should therefore be treated as context-specific unless the cited evidence matches the site, cultivar, developmental stage, measurement method, and production system under review.
Related lessons
Sources and evidence
- NOAA — U.S. Climate Normals, 1991–2020V19-SRC-003
Official 30-year climate baselines; normals describe historical distributions, not guaranteed future weather.
- USDA NRCS — Web Soil SurveyV19-SRC-004
Official mapped soil information for planning; onsite sampling and investigation remain necessary.
- Llewellyn et al. 2024 — Environmental impact of outdoor Cannabis productionV19-SRC-010
Three-season outdoor fertilizer-response field data incorporated into life-cycle assessment; not a universal input recipe.
- EPA — Agriculture and natural events and disastersV19-SRC-033
Official planning framework for contamination, infrastructure damage, disease susceptibility, and lawful recovery.
- USDA NRCS — Conservation Practice StandardsV19-SRC-034
Official technical baseline for high tunnels, irrigation, cover crops, mulching, windbreaks, fencing, drainage, and stormwater controls.
Downloads
No lesson-specific download is approved for this release. Use browser print/save-to-PDF when you need an offline reading copy.