Plant Spacing

{
  "areaSqFt": 32,
  "asOf": "2026-10-11T20:20:03.525Z",
  "degraded": false,
  "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
  "expectedFillPercentOnePerHole": 80,
  "expectedSeedlingsFromSowing": 102.4,
  "germinationPercent": 80,
  "layout": "grid",
  "notChecked": [
    "the right spacing for the crop and variety: use the seed packet or extension guide (this calculator does not know what the plant needs)",
    "paths, edges and trellises that remove planting area",
    "…2 more"
  ],
  "plantsByAreaDivision": 128,
  "plantsByRowAndPlantCount": 128,
  "plantsEstimate": 128,
  "plantsPerRow": 16,
  "plantsPerSqFt": 4,
  "reasons": [
    "Grid count = floor(length / spacing) x floor(width / row spacing), leaving half a spacing at each edge; the area method divides area by the footprint of one plant.",
    "Offset rows pack plants about 15% denser than a square grid at the same in-row spacing."
  ],
  "rowSpacingIn": 6,
  "rowsFitting": 8,
  "seedsNeededOnePerSpotToFill": 160,
  "seedsPerHole": 1,
  "seedsToSowAtThatRate": 128,
  "source": "computed locally",
  "spacingIn": 6,
  "squareFootGardeningNote": "4 plants per square foot (square-foot gardening uses 1, 4, 9 or 16)",
  "summary": "32 sq ft at 6 x 6 in (grid) holds 128 plants (4 per sq ft). With 80% germination, sowing 160 seeds (one per spot) should fill them; sowing 1 per spot uses 128 seeds.",
  "verdict": "COMPUTED"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://garden-calc.x402tookit.com/plant-spacing?germinationPercent=80&lengthFt=8&spacingIn=6&widthFt=4'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://garden-calc.x402tookit.com/plant-spacing?germinationPercent=80&lengthFt=8&spacingIn=6&widthFt=4' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fgarden-calc.x402tookit.com%2Fplant-spacing
const res = await pay("https://garden-calc.x402tookit.com/plant-spacing?germinationPercent=80&lengthFt=8&spacingIn=6&widthFt=4");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://garden-calc.x402tookit.com/plant-spacing?germinationPercent=80&lengthFt=8&spacingIn=6&widthFt=4")
    print(res.status_code, res.text)