✅ Answer: No specific age is mentioned in the narrations, but several hadiths below indicate the recommended age range:

مُحَمَّدُ بْنُ یَعْقُوبَ عَنْ مُحَمَّدِ بْنِ یَحْیَی عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِیسَی عَنْ بَعْضِ أَصْحَابِهِ عَنْ أَبِی عَبْدِ اللَّهِ قَالَ مِنْ سَعَادَةِ الْمَرْءِ أَنْ لَا تَطْمَثَ ابْنَتُهُ فِی بَیْتِهِ

📚 *Al-Kafi*, Vol. 5, p. 336

Translation: Imam Ja'far al-Sadiq (AS) said: It is the happiness of a man that his daughter does not experience menstruation in his house.

Explanation: This means that she should go to her husband's house before menstruation begins.

عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ النَّهَاوَنْدِیِّ عَنْ صَالِحِ بْنِ رَاهَوَیْهِ عَنْ أَبِی حَیُّونٍ مَوْلَی الرِّضَا عَنِ الرِّضَا قَالَ نَزَلَ جَبْرَئِیلُ عَلَی النَّبِیِّ صلی الله علیه و آله فَقَالَ یَا مُحَمَّدُ رَبُّکَ یُقْرِئُکَ السَّلَامَ وَ یَقُولُ إِنَّ الْأَبْکَارَ مِنَ النِّسَاءِ بِمَنْزِلَةِ الثَّمَرِ عَلَی الشَّجَرِإِذَا أَدْرَکَ ثِمَارُهَا فَلَمْ تُجْتَنَ أَفْسَدَتْهُ الشَّمْسُ وَ نَثَرَتْهُ الرِّیَاحُ وَ کَذَلِکَ الْأَبْکَارُ إِذَا أَدْرَکْنَ مَا یُدْرِکُ النِّسَاءُ فَلَیْسَ لَهُنَّ دَوَاءٌ إِلَّا الْبُعُولَةُ وَ إِلَّا لَمْ یُؤْمَنْ عَلَیْهِنَّ الْفَسَادُ لِأَنَّهُنَّ بَشَرٌ

📚 *Al-Tahdhib*, Vol. 7, p. 398

Translation: Imam Ali al-Ridha (AS) said: Gabriel descended to the Messenger of Allah (PBUH) and said: O Muhammad (PBUH), indeed your Lord sends His greetings to you and says: Unmarried women are like fruit on a tree, so when the fruit ripens and is not picked, the sun spoils it and the wind scatters it. Likewise, when girls reach the age of women and maturity, there is no remedy for them except marriage. Otherwise, they are not safe from corruption, for they are human!

بِإِسْنَادِهِ عَنْ مُوسَی بْنِ جَعْفَرٍ عَنْ آبَائِهِ عَنِ النَّبِیِّ صلی الله علیه و آله قَالَ: مَا مِنْ شَابٍّ تَزَوَّجَ فِی حَدَاثَةِ سِنِّهِ إِلَّا عَجَّ شَیْطَانُهُ یَا وَیْلَهُ یَا وَیْلَهُ عَصَمَ مِنِّی ثُلُثَیْ دِینِهِ فَلْیَتَّقِ اللَّهَ الْعَبْدُ فِی الثُّلُثِ الْبَاقِی

📚 *Bihar al-Anwar*, Vol. 103, p. 121

Translation: Imam Musa al-Kadhim (AS) narrated from his ancestors from the Messenger of Allah (PBUH), who said: There is no young man who marries during his youth, except that Satan laments and says: Woe to me, woe to me, he has preserved two-thirds of his religion from me. Therefore, the servant must preserve the remaining third of his religion by maintaining God-consciousness.

مُحَمَّدُ بْنُ یَعْقُوبَ عَنْ مُحَمَّدِ بْنِ یَحْیَی عَنْ مُحَمَّدِ بْنِ الْحُسَیْنِ عَنْ یَحْیَی بْنِ عَمْرِو بْنِ خَلِیفَةَ الزَّیَّاتِ عَنْ عَبْدِ اللَّهِ بْنِ بُکَیْرٍ عَنْ بَعْضِ أَصْحَابِنَا عَنْ أَحَدِهِمَا قَالَ قَالَ رَسُولُ اللَّهِ صلی الله علیه و آله یَا مَعْشَرَ الشَّبَابِ عَلَیْکُمْ بِالْبَاهِ فَإِنْ لَمْ تَسْتَطِیعُوهُ فَعَلَیْکُمْ بِالصِّیَامِ فَإِنَّهُ وِجَاؤُهُ

📚 *Al-Kafi*, Vol. 4, p. 180

Translation: Imam Muhammad al-Baqir (AS) or Imam Ja'far al-Sadiq (AS) said: The Messenger of Allah (PBUH) said: O youth, you should marry. If you cannot marry, then fast, for fasting cuts off desires.

Explanation: According to some terms and narrations, the childhood period ends with the onset of puberty, and the adolescence and youth period begins, which lasts until the completion of thirty lunar years.

Note: Pay attention to the following narration:

عَنْ مُحَمَّدِ بْنِ إِسْمَاعِیلَ عَنِ الْفَضْلِ بْنِ شَاذَانَ وَ عَنْ عَلِیِّ بْنِ إِبْرَاهِیمَ عَنْ أَبِیهِ جَمِیعاً عَنِ ابْنِ أَبِی عُمَیْرٍ عَنْ هِشَامِ بْنِ الْحَکَمِ عَنْ أَبِی عَبْدِ اللَّهِ أَوْ أَبِی الْحَسَنِ قَالَ قِیلَ لَهُ إِنَّا نُزَوِّجُ صِبْیَانَنَا وَ هُمْ صِغَارٌ فَقَالَ إِذَا زُوِّجُوا وَ هُمْ صِغَارٌ لَمْ یَکَادُوا أَنْ یَأْتَلِفُوا

📚 *Al-Kafi*, Vol. 5, p. 398

Translation: Hisham said: It was said to Imam Ja'far al-Sadiq (AS) or Imam Musa al-Kadhim (AS): We marry off our children while they are still young. The Imam said: When they are married while they are small, it is likely that they will not form a strong bond with each other.