# How Much Working Capital Does a Sod Farm Need?

By David Lapham

A sod farm needs enough available cash to cover its deepest seasonal cash gap, keep a practical operating cushion, and withstand credible delays in harvesting and customer payments. The useful answer comes from a dated cash forecast. Acreage, annual sales and reported profit cannot supply that number on their own.

In the hypothetical 13-week plan below, a farm starts with $60,000 in cash but needs another **$81,000** to preserve a $25,000 minimum balance in the base case. A two-week harvest interruption increases that requirement to **$146,000**. These are invented planning results, not sod-industry benchmarks or recommended credit limits.

## What working capital means on a sod farm

Four different questions often get folded into the same conversation:

| Term | What it tells you |
| --- | --- |
| Balance-sheet working capital | Current assets minus current liabilities at a particular date. Receivables and inventory can support this balance without being spendable today. |
| Cash funding requirement | The additional money needed when scheduled payments exceed available cash and collections, including the cash floor you choose. |
| Profit | Revenue less expenses under the stated accounting basis. It measures earnings, rather than when the bank account receives or pays money. |
| Transaction working capital | The operating assets and liabilities included in a sale under the purchase agreement’s specific definition. |

[Iowa State’s cash-flow guidance](https://www.extension.iastate.edu/agdm/wholefarm/html/c3-14.html) distinguishes liquidity from profitability and defines working capital as current assets less current liabilities. Neither a positive balance sheet nor a profitable year guarantees that next Friday’s payroll is funded.

Borrowing supplies cash and creates a repayment obligation. It does not create sales or profit. Debt principal and equipment purchases use cash differently from income-statement expenses; depreciation reduces accounting income without writing a check that week. [University of Wisconsin Extension explains these cash-budget differences.](https://farms.extension.wisc.edu/articles/cash-flow-budgeting/)

## Follow the money from the field to the bank

Put each expected receipt on the week it should clear the bank. A sales order is not a collection, and an invoice is not a deposit.

For each major order or customer group, connect the field expected to supply the grass, a feasible harvest date, pickup or delivery, invoice release, payment terms and likely receipt date. Mark the evidence behind the date: scheduled work, completed delivery, an accepted invoice or a customer’s payment commitment. Use the receivables aging to challenge optimistic collection assumptions.

Seasonality affects both sides. Field inputs, irrigation, mowing and employee costs may continue while harvest or installation work slows. Mississippi State’s sod guidance identifies wet fields as a constraint on harvesting and notes the short shelf life of cut sod. That supports testing a harvest interruption; it does not establish how many days any particular farm will lose. [Mississippi State University Extension](https://extension.msstate.edu/publications/sod-installation-and-maintenance)

I would use a rolling 13-week view for immediate decisions and a monthly forecast through a full growing and sales cycle. Thirteen weeks is a practical planning window, not a guarantee that the seasonal low point falls inside it. A winter slowdown, spring input bill or annual lease payment beyond week 13 still belongs in the longer forecast.

Use the [production cost worksheet](/insights/sod-production-cost-per-square-foot) alongside this forecast; its expense allocations and your dated cash payments serve different purposes.

## A complete hypothetical 13-week cash plan

Assume an established farm entering a busier sales period. It is already growing sod; this is not a startup or a purchase budget. All figures in the following schedules are **thousands of dollars**. Thus, 60 means $60,000.

The assumptions are deliberately explicit:

- Opening unrestricted bank cash is 60. Opening receivables are 60, collected 30 in week 1 and 30 in week 2. Those collections are from earlier sales and are not new invoices.
- New invoices total 675. All represent sod harvested and supplied in that week; none are advance deposits. Twenty percent is collected immediately and 80% exactly four weeks after invoicing. This is a modeling rule, not a description of normal sod credit terms.
- Field spending covers agronomic materials and irrigation power. Payroll is 12 each week, including the assumed employer burden and remittances. It includes all employee labor; harvest spending therefore contains no duplicated wages.
- Overhead is 6 each week and includes rent, insurance, office and other scheduled operating payments. Harvest and loading consumables and nonpayroll services cost 20% of invoices, paid that week.
- Existing debt payments are 8 in weeks 3, 7 and 11: 6 principal plus 2 interest each time. A stipulated property-tax payment of 10 falls in week 7. Its amount and timing are assumptions, not tax advice.
- There are no opening unpaid bills, customer deposits, asset purchases, owner distributions or other receipts or payments in this illustration. A real farm must add every applicable item.
- The minimum week-end cash balance is 25. Additional financing interest and fees are excluded so the operating timing is visible; add quoted costs before selecting a real funding amount.

### The spending calendar

| Week | Field | Payroll | Overhead | Harvest | Debt and tax | Total paid |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| 1 | 18 | 12 | 6 | 6 | 0 | 42 |
| 2 | 18 | 12 | 6 | 7 | 0 | 43 |
| 3 | 16 | 12 | 6 | 8 | 8 | 50 |
| 4 | 16 | 12 | 6 | 9 | 0 | 43 |
| 5 | 14 | 12 | 6 | 10 | 0 | 42 |
| 6 | 14 | 12 | 6 | 11 | 0 | 43 |
| 7 | 12 | 12 | 6 | 11 | 18 | 59 |
| 8 | 12 | 12 | 6 | 12 | 0 | 42 |
| 9 | 12 | 12 | 6 | 12 | 0 | 42 |
| 10 | 10 | 12 | 6 | 13 | 0 | 41 |
| 11 | 10 | 12 | 6 | 13 | 8 | 49 |
| 12 | 10 | 12 | 6 | 12 | 0 | 40 |
| 13 | 10 | 12 | 6 | 11 | 0 | 39 |
| **Total** | **172** | **156** | **78** | **135** | **34** | **575** |

Every payment belongs once. If fertilizer bought earlier is still unpaid, schedule its payable on the due date rather than adding both a new purchase and the same old bill. Likewise, do not deduct an accounting inventory increase as a second cash payment after already budgeting the checks for growing the crop.

### Invoices, collections and the lowest cash point

“Cash before new funding” below is the running bank balance if no additional capital is provided. A negative number identifies a funding gap; it is not an overdraft arrangement.

| Week | New invoices | Cash collected | Cash before new funding |
| --- | ---: | ---: | ---: |
| 1 | 30 | 36 | 54 |
| 2 | 35 | 37 | 48 |
| 3 | 40 | 8 | 6 |
| 4 | 45 | 9 | -28 |
| 5 | 50 | 34 | -36 |
| 6 | 55 | 39 | -40 |
| 7 | 55 | 43 | -56 |
| 8 | 60 | 48 | -50 |
| 9 | 60 | 52 | -40 |
| 10 | 65 | 57 | -24 |
| 11 | 65 | 57 | -16 |
| 12 | 60 | 60 | 4 |
| 13 | 55 | 59 | 24 |

For example, week 5 collections are 34: 10 from that week’s 50 of invoices, plus 24 from the unpaid 80% of week 1’s invoices. Week 5 spending is 42. Cash moves from negative 28 to negative 36.

The low point is negative 56 in week 7. To stay at 25 instead, the farm needs **81 of additional funding**: 25 minus negative 56. With no opening cash at all, the same base schedule would require 141. The opening 60 has already been counted; it must not be deducted twice.

If supplied by a new revolving line with no opening balance, draws begin in week 3. Under a rule that repays the line whenever cash exceeds 25, the base case reaches 81 outstanding in week 7 and finishes week 13 with 1 still outstanding and 25 in cash. That remaining debt needs a repayment plan beyond this horizon.

Total base collections are 539, including the opening receivables. Payments are 575, so cash before new funding ends at 24: 60 + 539 − 575. Ending receivables are 196: opening 60 + invoices 675 − collections 539. Those invoices are assets awaiting collection, not spare cash in the bank. This cash schedule does not calculate profit; it has no crop-cost allocation or depreciation schedule.

## Test delayed harvest and slower customer payments

A useful stress case changes the dates that drive cash, along with costs that actually change.

**Delayed harvest:** assume wet-field conditions prevent harvest in weeks 4 and 5. All harvests and invoices originally scheduled from week 4 onward move two weeks later, as does their associated harvest spending. Field spending, payroll and overhead remain on the original calendar, with an extra 5 of mitigation spending in week 4. This assumes customers retain their orders and the crop remains saleable. There is no extra catch-up capacity: original weeks 12 and 13 move beyond the forecast.

**Slow payment:** keep the base harvest and invoice calendar, but collect the 80% credit portion six weeks after invoicing instead of four. Immediate payments and the two opening-receivable collections remain unchanged. This tests new credit sales only; a wider collection problem would also stress the opening receivables.

The next table shows both complete weekly cash paths. Paid amounts for delayed harvest equal base spending less base harvest spending, plus 20% of the delayed week’s invoices and the week 4 mitigation cost. Slow-payment spending stays exactly as in the base case.

| Week | Delayed invoices | Delayed collections | Delayed paid | Delayed cash | Slow collections | Slow cash |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| 1 | 30 | 36 | 42 | 54 | 36 | 54 |
| 2 | 35 | 37 | 43 | 48 | 37 | 48 |
| 3 | 40 | 8 | 50 | 6 | 8 | 6 |
| 4 | 0 | 0 | 39 | -33 | 9 | -28 |
| 5 | 0 | 24 | 32 | -41 | 10 | -60 |
| 6 | 45 | 37 | 41 | -45 | 11 | -92 |
| 7 | 50 | 42 | 58 | -61 | 35 | -116 |
| 8 | 55 | 11 | 41 | -91 | 40 | -118 |
| 9 | 55 | 11 | 41 | -121 | 44 | -116 |
| 10 | 60 | 48 | 40 | -113 | 49 | -108 |
| 11 | 60 | 52 | 48 | -109 | 53 | -104 |
| 12 | 65 | 57 | 41 | -93 | 56 | -88 |
| 13 | 65 | 57 | 41 | -77 | 55 | -72 |

Cash columns again exclude new funding. A two-week harvest delay affects later collections as well as the first missed sales week.

| Result | Base | Delayed harvest | Slow payment |
| --- | ---: | ---: | ---: |
| Invoices | 675 | 560 | 675 |
| Collections including opening receivables | 539 | 420 | 443 |
| Total paid | 575 | 557 | 575 |
| Lowest cash before funding | -56 | -121 | -118 |
| Week of lowest cash | 7 | 9 | 8 |
| Additional funding for 25 cash floor | 81 | 146 | 143 |
| Cash before funding at week 13 | 24 | -77 | -72 |
| Uncollected receivables at week 13 | 196 | 200 | 292 |
| Revolver outstanding at week 13 | 1 | 102 | 97 |

Delaying harvest requires 65 more funding than the base case; slower payment requires 62 more. The cases are separate. Do not add their peak requirements together: model a combined disruption on one calendar if both are plausible.

In the delayed case, some sales are outside the window, not necessarily lost. In the slow-payment case, sales stay at 675 while more money sits in receivables. A customer default would be a different test: remove the uncollectible receipt rather than shifting it indefinitely.

## Turn the forecast into an operating routine

Choose one person to update the plan every week. Replace the completed week with actual bank activity, explain material differences, and append another week. Keep a dated copy so repeated overestimates of collections become visible.

Build the next version from records the farm already has:

1. **Reconcile opening cash.** Account for uncleared checks and restricted amounts. Keep the cash forecast consistent with the bank reconciliation.
2. **List collections by expected receipt date.** Review disputed invoices, missing delivery tickets, credits and customer promises. An aging report is a starting point; verify large receipts individually.
3. **List payments by due date.** Include field inputs, payroll and remittances, rent, insurance, repairs, freight, debt, taxes, equipment and owner withdrawals. Separate committed payments from proposed spending.
4. **Check the field and harvest assumptions.** Confirm saleable grass, people, equipment, loading and delivery capacity before relying on an invoice week.
5. **Run realistic disruption cases.** Test rain, a harvester outage, slower sales and late payment. Add emergency spending where warranted. Do not assume every delay reduces payroll or field care.
6. **Assign an action before the low point.** Resolve invoice exceptions, confirm collection commitments, reconsider discretionary withdrawals or purchases, and discuss a documented funding gap early.

[Iowa State’s step-by-step cash-flow budgeting guide](https://www.extension.iastate.edu/AGDM/wholefarm/pdf/c3-15.pdf) provides a farm-level planning framework. The value is in connecting the plan to actual dates and revising it when those dates change.

A cash floor should reflect the operation’s payment calendar and uncertainty. The 25 in this example is a choice, not a reserve standard. Check daily or midweek liquidity when payroll clears before customer receipts. A safe Friday closing balance can conceal a Tuesday shortfall.

The [customer profitability review](/insights/sod-customer-profitability) helps identify accounts whose collection and service demands deserve attention.

## Keep financing and sale adjustments separate

Compare the forecast’s funding need with money that can actually be accessed by the relevant date. A line’s stated limit is not necessarily its available draw amount. Subtract existing borrowing and check the agreement’s availability conditions, maturity, collateral requirements and other restrictions. Add financing costs and a contingency that fits the risks you have not modeled.

The [OCC’s accounts-receivable and inventory financing handbook](https://www.occ.treas.gov/publications-and-resources/publications/comptrollers-handbook/files/accts-rec-inventory-financing/pub-ch-accts-rec-inventory-financing.pdf) discusses working-capital lending and borrowing-base controls from a bank-supervision perspective. It is not a promise of credit approval or a prescribed advance rate for sod farms. Use the actual lender’s written terms.

An operating line can bridge a recoverable timing gap. If borrowing remains high after the expected collection season, revisit profitability, withdrawals, capital spending and repayment capacity. Moving the same deficit forward each quarter does not demonstrate that the business can repay it.

A farm sale adds a separate definition. A purchase agreement may specify operating receivables, inventory, prepaid items, payables, accrued payroll and customer deposits, while treating cash and financing debt separately. BDO’s transaction guidance describes negotiated working-capital targets and the need to consider seasonality. These are deal terms to define, not a universal rule for sod sales. [BDO on net working capital in acquisitions](https://www.bdo.com/insights/advisory/importance-of-net-working-capital-nwc-in-m-a)

Ask who receives each receivable, who pays each bill, what standing crop is included, and who must fulfill prepaid orders. Then rebuild the buyer’s opening cash forecast under those exact terms. An agreed closing working-capital amount does not automatically fund the buyer’s bank account, and a seller’s historical credit line does not automatically become the buyer’s financing.

For a purchase, connect this operating forecast to the complete [acquisition sources-and-uses schedule](/insights/financing-sod-farm-acquisition).

## Questions owners ask

### Can a profitable sod farm run short of cash?

Yes. Cash may be tied up in growing crop or invoices while payroll and input bills are due. Principal payments, equipment spending and owner withdrawals also affect cash. Check the earnings calculation and the payment calendar separately.

### Is there a standard dollar amount per acre?

This example does not establish one. Harvest timing, payment speed, labor commitments, input purchases, debt and opening cash can produce different funding needs at the same acreage. Start with the farm’s dated obligations and realistic collections.

### Should the farm keep the entire requirement in cash?

The plan identifies an amount and a date. An owner may meet it with retained cash, additional equity or an available credit facility, subject to cost and terms. Show the financing separately so a loan receipt never masquerades as improved operating collections.

### What should I prepare before discussing a sale?

Bring a reconciled balance sheet, receivables and payables aging, field and harvest schedule, debt calendar, customer-deposit list, and the base and stressed cash plans. They help explain the money needed to continue operating as ownership changes.

If a sale is part of your planning, [share your farm and goals with Sod Farm Broker](/sell-my-farm). A clear cash calendar helps put the operating business and the proposed transaction on understandable terms.

## Sources and further reading

The worked example is hypothetical. Extension publications explain financial and production concepts; they do not supply its dollar amounts or payment terms.

- [Iowa State University — Understanding Cash Flow Analysis](https://www.extension.iastate.edu/agdm/wholefarm/html/c3-14.html), updated October 2023.
- [University of Wisconsin Extension — Cash flow budgeting](https://farms.extension.wisc.edu/articles/cash-flow-budgeting/), including cash items omitted from an income statement.
- [Mississippi State University Extension — Sod Installation and Maintenance](https://extension.msstate.edu/publications/sod-installation-and-maintenance), publication 2951, April 2025 print designation; used for the wet-field constraint.
- [Iowa State University — Twelve Steps to Cash Flow Budgeting](https://www.extension.iastate.edu/AGDM/wholefarm/pdf/c3-15.pdf), revised November 2025.
- [OCC — Accounts Receivable and Inventory Financing](https://www.occ.treas.gov/publications-and-resources/publications/comptrollers-handbook/files/accts-rec-inventory-financing/pub-ch-accts-rec-inventory-financing.pdf), March 2000 handbook with a March 2025 update notice; actual agreements control availability.
- [BDO — Importance of Net Working Capital in M&A](https://www.bdo.com/insights/advisory/importance-of-net-working-capital-nwc-in-m-a), February 15, 2019; transaction framework rather than sod-sale evidence.