The Prophet ﷺ forbade the sale of grapes till they became black and the sale of grain till it had become hard.  

أَنَّ النَّبِيَّ ﷺ نَهَى عَنْ بَيْعِ الْعِنَبِ حَتَّى يَسْوَدَّ وَعَنْ بَيْعِ الْحَبِّ حَتَّى يَشْتَدَّ  

"The Messenger of Allah ﷺ prohibited selling grapes until they appear and selling grains until they become firm."  

أَنَّ رَسُولَ اللَّهِ ﷺ نَهَى عَنْ بَيْعِ الْعِنَبِ حَتَّى يَسْوَدَّ وَعَنْ بَيْعِ الْحَبِّ حَتَّى يَشْتَدَّ  

the Messenger of Allah ﷺ forbade selling fruits until they have changed the color, and selling grapes until they have turned black, and selling grains until they have hardened.  

أَنَّ رَسُولَ اللَّهِ ﷺ نَهَى عَنْ بَيْعِ الثَّمَرَةِ حَتَّى تَزْهُوَ وَعَنْ بَيْعِ الْعِنَبِ حَتَّى يَسْوَدَّ وَعَنْ بَيْعِ الْحَبِّ حَتَّى يَشْتَدَّ  

the Messenger of Allah ﷺ forbade selling fruits until they have changed the color, and selling grapes until they have turned black, and selling grains until they have hardened. (Using translation from Ibn Mājah 2217)  

أَنَّ رَسُولَ اللهِ ﷺ نَهَى عَنْ بَيْعِ الثَّمَرَةِ حَتَّى تَزْهُوَ وَعَنْ بَيْعِ الْعِنَبِ حَتَّى يَسْوَدَّ وَعَنْ بَيْعِ الْحَبِّ حَتَّى يَشْتَدَّ  

The Prophet ﷺ forbade the sale of grapes till they became black and the sale of grain till it had become hard. (Using translation from Abū Dāʾūd 3371)   

أَنَّ النَّبِيَّ ﷺ «نَهَى عَنْ بَيْعِ النَّخْلِ حَتَّى تَزْهُوَ وَعَنْ بَيْعِ الْحَبِّ حَتَّى يَشْتَدَّ وَعَنْ بَيْعِ الْعِنَبِ حَتَّى يَسْوَدَّ»  

The Prophet ﷺ forbade the sale of grapes till they became black and the sale of grain till it had become hard. (Using translation from Abū Dāʾūd 3371)   

أَنَّ رَسُولَ اللهِ ﷺ نَهَى عَنْ بَيْعِ الثَّمَرَةِ حَتَّى تَزْهُوَ وَعَنْ بَيْعِ الْحَبِّ حَتَّى يَشْتَدَّ وَعَنْ بَيْعِ الْعِنَبِ حَتَّى يَسْوَدَّ