From grimoire
Designs raised bed vegetable gardens: dimensions, orientation, soil mix, irrigation, and crop rotation for high yield and low maintenance.
How this skill is triggered — by the user, by Claude, or both
Slash command
/grimoire:design-raised-bed-systemThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Design a raised bed vegetable garden by specifying bed dimensions, orientation, soil composition, irrigation layout, and a crop rotation plan to maximize yield per square foot while building long-term soil health.
Design a raised bed vegetable garden by specifying bed dimensions, orientation, soil composition, irrigation layout, and a crop rotation plan to maximize yield per square foot while building long-term soil health.
Adopted by: Raised bed gardening is the dominant method recommended by the Royal Horticultural Society (RHS), Rodale Press, and all major vegetable gardening education programs. Eliot Coleman's "Four-Season Harvest" and John Jeavons' biointensive method — both extensively studied systems — rely on raised beds with optimized soil depth and composition. University extension programs (Cornell, UC Davis, Texas A&M) recommend raised beds as the most productive and lowest-maintenance vegetable growing approach for home gardeners. Impact: Coleman (2009) reports yields 4–6× higher per square foot in optimized raised beds compared to in-ground row gardens — due to deeper, looser soil (roots penetrate more deeply), no wasted space in paths between rows, and better drainage. The no-till, deep-soil approach builds soil biology over years, reducing fertilizer and pest management inputs over time.
Site selection requirements:
Bed orientation:
Width: 4 feet maximum for beds accessible from both sides; 2–2.5 feet if only accessible from one side. This allows reaching the center without stepping inside and compacting the soil — the no-compaction rule is foundational to the raised bed productivity benefit.
Length: 8–12 feet is practical; longer requires going around to access the opposite side; shorter is fine but less area.
Depth:
Materials for the frame:
Standard raised bed soil mix (Mel's Mix, adapted from Bartholomew):
Avoid filling with straight garden soil from the yard — native soil compacts in beds, drains poorly, and often contains weed seeds and pathogens.
Amendment schedule:
Soil nutrition: in year 1, a well-composed compost provides adequate initial nutrition; in subsequent years, annual compost top-dressing + occasional amendments (blood meal for nitrogen, bone meal for phosphorus) as needed based on plant performance.
Consistent moisture is the single biggest factor in vegetable yield:
Install a drip timer — vegetable gardens watered on a schedule outperform hand-watered gardens in yield by 20–30% simply through consistency.
Rotating plant families between beds each season prevents soil-borne disease buildup and balances nutrient demand:
Four-year rotation (4 beds or sections):
Rotate each family one bed forward each year. Nightshades should not return to the same bed for 3–4 years (prevents blight and Fusarium wilt buildup).
Companion planting within beds:
The raised bed system improves over years as soil biology develops:
npx claudepluginhub jeffreytse/grimoire --plugin grimoirePlans functional, site-appropriate garden layouts using sun exposure, soil testing, plant spacing, and design principles. Useful for new beds or redesigns.
Assesses and improves garden soil through jar/spade/earthworm tests, soil-type-specific amendments, composting methods, and biodynamic preparations.
Assists with negotiating transmission line, pipeline, or drainage easements on agricultural land, including impact assessment and compensation design.