ALFALFA FUNDS

FILER
CONFORMED-NAME	ALFALFA FUNDS
CIK	9876543210
FISCAL-YEAR-END	0331

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation 12B
-Number 240
-Section 12b
-Subsection 1

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation 12B
-Number 240
-Section 12b
-Subsection 1

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ACCESSION-NUMBER	0
TYPE	485BPOS
FILING-DATE	20090501

Label	Element	Value
Risk/Return:
Document Type	dei_DocumentType	485BPOS
Period End Date	dei_DocumentPeriodEndDate	Mar 31, 2009
Registrant Name	dei_EntityRegistrantName	ALFALFA FUNDS
CIK	dei_EntityCentralIndexKey	9876543210
Amendment	dei_AmendmentFlag	false
Prospectus Date	rr_ProspectusDate	May 1, 2009
Alfalfa Fund
Risk/Return:
Risk/Return	rr_RiskReturnHeading	RISK/RETURN
Investment objective:	rr_ObjectiveHeading	Investment objective
Investment objective	rr_ObjectivePrimaryTextBlock	* ** ****** ***** *** * ** ***** ** ********
Fees and expenses of the fund:	rr_ExpenseHeading	Fees and expenses of the fund
Fees and expenses of the fund, narrative	rr_ExpenseNarrativeTextBlock	** * ***** * ** * ****** * * * * * * ** ** * * * * *** * *** ** ***** * * ** ** *** *** **** * *** *** *** * *** ** ******* * * * *** ***** ******* ***** ******** * * **** ** ****** * ****** *** ** * **** ******* * * **** ***** ******** **********
Shareholder fees, caption	rr_ShareholderFeesCaption	SHAREHOLDER FEES (PAID DIRECTLY FROM YOUR INVESTMENT)
Annual fund operating expenses, heading	rr_OperatingExpensesCaption	ANNUAL FUND OPERATING EXPENSES (EXPENSES THAT YOU PAY EACH YEAR AS A PERCENTAGE OF THE VALUE OF YOUR INVESTMENT)
Portfolio turnover, heading	rr_PortfolioTurnoverHeading	Portfolio turnover
Portfolio turnover, narrative	rr_PortfolioTurnoverTextBlock	* ******* ** ********** ** * *** ****** * **** * * *********** * **** ***** **** * ****** ** ******* * * * ** **** * ** * ** * ***** **** * ** * * * ***** **** ***** **** * ****** ** * **** ******** ** * ** ** ** * * **** ***** **** * * * *** * * ********
Portfolio Turnover Rate	rr_PortfolioTurnoverRate	23.00%
Expense Breakpoint Discounts	rr_ExpenseBreakpointDiscounts	* * ***** * *** ** ***** * * ** ** *** *** **** * *** *** *** * *** ****
Expense Breakpoint, Minimum Investment Required	rr_ExpenseBreakpointMinimumInvestmentRequiredAmount	25,000
Other Expenses, New Fund, Based on Estimates	rr_OtherExpensesNewFundBasedOnEstimates	Based on estimated amounts for the current fiscal year.
Example, heading	rr_ExpenseExampleHeading	EXAMPLE
Expense Example, Narrative	rr_ExpenseExampleNarrativeTextBlock	** *** ****** ** * ***** * ** ******* * * ** ******* *** ** ** * ***** *** * **** *** * * * *** ***** * ** ** * ** * * * **** * ***** *** ****** * * ** * * ******* * ***** ********* * ********* * * * ***** *** ******** **** * *** * ** * **** ***** **** ** * *** **** ** * * ** **** * *** ******** * * *
Expense Example, No Redemption, Narrative	rr_ExpenseExampleNoRedemptionNarrativeTextBlock	For the share classes listed below you would pay the following if you did not redeem your shares:
Strategy, Heading	rr_StrategyHeading	Principal investment strategies
Strategy, Narrative	rr_StrategyNarrativeTextBlock	* *** ***** **** ** ***** *** * ** * **** *********** ***** *****
Portfolio Concentration	rr_StrategyPortfolioConcentration	* *** ***** **** ** ***** *** * ***
Risk, Heading	rr_RiskHeading	Principal risks
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May Lose Money	rr_RiskLoseMoney	* * ** * ******* * ***
Not Insured Depository Institution	rr_RiskNotInsuredDepositoryInstitution	** ****** * *** * ** *** * * ***** ******** * *** *** ***** ******* * * ****** *** ** *******
Bar Chart and Performance Table, Heading	rr_BarChartAndPerformanceTableHeading	Performance
Performance, Narrative	rr_PerformanceNarrativeTextBlock	* * *** * * * * ** ****** *** ** *** * * ****** *** * **** * *** * * ** *** ** * *** * ***** *** *** ***** * **** **** ******** ******* **** ****** * * ******* * * * ** *** *** * ********** ******* * ***** ********** ** ** ***** ** *** *** * * *** ** *** ********** **** ** * **** ****** *** *** * *** ** * * ****** **** ******
Performance, Information Illustrates Variability of Returns	rr_PerformanceInformationIllustratesVariabilityOfReturns	** ******* **** ****** * * ******* * ***
Performance, Availability at Web Site Address	rr_PerformanceAvailabilityWebSiteAddress	***** ******* * ** *** * **** ****** ***************
Performance, Past Does Not Indicate Future	rr_PerformancePastDoesNotIndicateFuture	** *** *** * *** ** * * ****** **** ******
Bar Chart, Heading	rr_BarChartHeading	Calendar year total returns for Class A shares
Bar Chart, Narrative	rr_BarChartNarrativeTextBlock	****** * ***** * *** *** * *** ** * ** ***** *** * *******
Bar Chart, Does Not Reflect Sales Loads	rr_BarChartDoesNotReflectSalesLoads	***** * ***** * *** *****
Bar Chart, Closing	rr_BarChartClosingTextBlock	* ** * ** * * * ** * * * ** * ***** * ************ ***** *** ** ** * * ***** * * *** ** * ** * ***** * **** * *** ******
Performance Table:	rr_PerformanceTableHeading	AVERAGE ANNUAL TOTAL RETURNS FOR PERIODS ENDED DECEMBER 31, 2008:
Performance Table Does Reflect Sales Loads	rr_PerformanceTableDoesReflectSalesLoads	(WITH MAXIMUM SALES CHARGES)
Performance Table Uses Highest Federal Rate	rr_PerformanceTableUsesHighestFederalRate	******* *** * ******** * * ***** ****** *** ** * *** **** ** * *** ***
Performance Table Not Relevant to Tax Deferred	rr_PerformanceTableNotRelevantToTaxDeferred	******* *** * * ****** * ** ***** * ********** ******** * **** * ****** ****** *** * * *** *** **
Performance Table Closing	rr_PerformanceTableClosingTextBlock	******* *** * *** * ***** * ***** ***** *** * *** * *** * ***** *** * ******** * * ***** ****** *** ** * *** **** ** * *** * * * ***** * **** *** * *** ** ** ***** *** ** ** ****** * ******* * **** ** * ***** * ** ******* ***** *** * * ****** * ** ***** * ********** ******** * **** * ****** ****** *** * * *** *** ***
Alfalfa Fund \| Class A
Risk/Return:
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumCumulativeSalesChargeOverOfferingPrice	4.75%
Maximum deferred sales charge (as a percentage of the amount redeemed)	rr_MaximumDeferredSalesChargeOverOther	none
Maximum sales charge (load) imposed on reinvested dividends	rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther	none
Redemption Fee	rr_RedemptionFee	none
Exchange Fee (as a percentage of net assets)	rr_ExchangeFeeOverRedemption	none
Maximum annual account fee	rr_MaximumAccountFee	none
Management fees	rr_ManagementFeesOverAssets	0.28%
Distribution and/or service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	0.28%
Other Expenses (as a percentage of net assets)	rr_OtherExpensesOverAssets	0.13%
Total annual fund operating expenses	rr_ExpensesOverAssets	0.69%
Expense Example, 1 YEAR	rr_ExpenseExampleYear01	542
Expense Example, 3 YEARS	rr_ExpenseExampleYear03	686
Expense Example, 5 YEARS	rr_ExpenseExampleYear05	842
Expense Example, 10 YEARS	rr_ExpenseExampleYear10	1,295
1999	rr_AnnualReturn1999	18.78%
2000	rr_AnnualReturn2000	6.50%
2001	rr_AnnualReturn2001	(4.01%)
2002	rr_AnnualReturn2002	(17.66%)
2003	rr_AnnualReturn2003	28.64%
2004	rr_AnnualReturn2004	8.80%
2005	rr_AnnualReturn2005	5.98%
2006	rr_AnnualReturn2006	7.63%
2007	rr_AnnualReturn2007	6.50%
2008	rr_AnnualReturn2008	(38.68%)
Year to Date Return, Label	rr_YearToDateReturnLabel	The fund's total return for the three months ended March 31, 2009:
Year to Date Return, Date	rr_BarChartYearToDateReturnDate	Mar 31, 2009
Year to Date Return	rr_BarChartYearToDateReturn	(5.05%)
Highest Quarterly Return, Label	rr_HighestQuarterlyReturnLabel	(for the quarter ended June 30, 2003)
Highest Quarterly Return Date	rr_BarChartHighestQuarterlyReturnDate	Jun 30, 2003
Highest Quarterly Return	rr_BarChartHighestQuarterlyReturn	15.62%
Lowest Quarterly Return, Label	rr_LowestQuarterlyReturnLabel	(for the quarter ended December 31, 2008)
Lowest Quarterly Return Date	rr_BarChartLowestQuarterlyReturnDate	Dec 31, 2008
Lowest Quarterly Return	rr_BarChartLowestQuarterlyReturn	(22.53%)
1 YEAR	rr_AverageAnnualReturnYear01	(40.26%)
5 YEARS	rr_AverageAnnualReturnYear05	(4.23%)
10 YEARS	rr_AverageAnnualReturnYear10	0.88%
LIFETIME	rr_AverageAnnualReturnSinceInception	10.50%
Inception Date	rr_AverageAnnualReturnInceptionDate	May 1, 1976
Alfalfa Fund \| Class A \| After taxes on distributions
Risk/Return:
1 YEAR	rr_AverageAnnualReturnYear01	(40.71%)
5 YEARS	rr_AverageAnnualReturnYear05	(4.73%)
10 YEARS	rr_AverageAnnualReturnYear10	(0.37%)
LIFETIME	rr_AverageAnnualReturnSinceInception
Alfalfa Fund \| Class A \| After taxes on distributions and sale of fund shares
Risk/Return:
1 YEAR	rr_AverageAnnualReturnYear01	(26.07%)
5 YEARS	rr_AverageAnnualReturnYear05	(3.31%)
10 YEARS	rr_AverageAnnualReturnYear10	0.43%
LIFETIME	rr_AverageAnnualReturnSinceInception
Alfalfa Fund \| Class B
Risk/Return:
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumCumulativeSalesChargeOverOfferingPrice	none
Maximum deferred sales charge (as a percentage of the amount redeemed)	rr_MaximumDeferredSalesChargeOverOther	4.00%
Maximum sales charge (load) imposed on reinvested dividends	rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther	none
Redemption Fee	rr_RedemptionFee	none
Exchange Fee (as a percentage of net assets)	rr_ExchangeFeeOverRedemption	none
Maximum annual account fee	rr_MaximumAccountFee	none
Management fees	rr_ManagementFeesOverAssets	0.28%
Distribution and/or service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses (as a percentage of net assets)	rr_OtherExpensesOverAssets	0.12%
Total annual fund operating expenses	rr_ExpensesOverAssets	1.40%
Expense Example, 1 YEAR	rr_ExpenseExampleYear01	557
Expense Example, 3 YEARS	rr_ExpenseExampleYear03	888
Expense Example, 5 YEARS	rr_ExpenseExampleYear05	1,243
Expense Example, 10 YEARS	rr_ExpenseExampleYear10	2,246
Expense Example, No Redemption, 1 YEAR	rr_ExpenseExampleNoRedemptionYear01	143
Expense Example, No Redemption, 3 YEARS	rr_ExpenseExampleNoRedemptionYear03	444
Expense Example, No Redemption, 5 YEARS	rr_ExpenseExampleNoRedemptionYear05	767
Expense Example, No Redemption, 10 YEARS	rr_ExpenseExampleNoRedemptionYear10	1,679
1 YEAR	rr_AverageAnnualReturnYear01	(41.12%)
5 YEARS	rr_AverageAnnualReturnYear05	(4.16%)
LIFETIME	rr_AverageAnnualReturnSinceInception	(1.80%)
Inception Date	rr_AverageAnnualReturnInceptionDate	Mar 3, 1999
Alfalfa Fund \| Class C
Risk/Return:
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumCumulativeSalesChargeOverOfferingPrice	none
Maximum deferred sales charge (as a percentage of the amount redeemed)	rr_MaximumDeferredSalesChargeOverOther	1.00%
Maximum sales charge (load) imposed on reinvested dividends	rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther	none
Redemption Fee	rr_RedemptionFee	none
Exchange Fee (as a percentage of net assets)	rr_ExchangeFeeOverRedemption	none
Maximum annual account fee	rr_MaximumAccountFee	none
Management fees	rr_ManagementFeesOverAssets	0.28%
Distribution and/or service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses (as a percentage of net assets)	rr_OtherExpensesOverAssets	0.14%
Total annual fund operating expenses	rr_ExpensesOverAssets	1.42%
Expense Example, 1 YEAR	rr_ExpenseExampleYear01	248
Expense Example, 3 YEARS	rr_ExpenseExampleYear03	561
Expense Example, 5 YEARS	rr_ExpenseExampleYear05	896
Expense Example, 10 YEARS	rr_ExpenseExampleYear10	1,843
Expense Example, No Redemption, 1 YEAR	rr_ExpenseExampleNoRedemptionYear01	145
Expense Example, No Redemption, 3 YEARS	rr_ExpenseExampleNoRedemptionYear03	450
Expense Example, No Redemption, 5 YEARS	rr_ExpenseExampleNoRedemptionYear05	777
Expense Example, No Redemption, 10 YEARS	rr_ExpenseExampleNoRedemptionYear10	1,701
1 YEAR	rr_AverageAnnualReturnYear01	(37.86%)
5 YEARS	rr_AverageAnnualReturnYear05	(3.89%)
LIFETIME	rr_AverageAnnualReturnSinceInception	(1.94%)
Inception Date	rr_AverageAnnualReturnInceptionDate	Mar 3, 2000
Alfalfa Fund \| S&P Index
Risk/Return:
1 YEAR	rr_AverageAnnualReturnYear01	(36.99%)
5 YEARS	rr_AverageAnnualReturnYear05	(2.19%)
10 YEARS	rr_AverageAnnualReturnYear10	(1.38%)
LIFETIME	rr_AverageAnnualReturnSinceInception	9.01%