Document And Entity Information - shares	3 Months Ended
	Oct. 31, 2016	May 29, 2018
Document And Entity Information
Entity Registrant Name	Green Hygienics Holdings Inc.
Entity Central Index Key	0001443388
Document Type	10-Q
Document Period End Date	Oct. 31, 2016
Current Fiscal Year End Date	--07-31
Amendment Flag	false
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		34,707,835
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2017