Mark 4:27

he spends days and nights, now awake, now asleep, while the seed sprouts and grows tall, he knows not how.

John 3:7-8

Do not be astonished at my telling you, 'You must all be born anew.'

1 Corinthians 15:37-38

and as for what you sow, it is not the plant which is to be that you are sowing, but a bare grain, of wheat (it may be)

2 Thessalonians 1:3

Unceasing thanks are due from us to God on your behalf, brethren. They are appropriate because your faith is growing greatly, and the love of every one of you for all the others goes on increasing.

2 Peter 3:18

But be always growing in the grace and knowledge of our Lord and Saviour Jesus Christ. To Him be all glory, both now and to the day of Eternity!

Treasury of Scripture Knowledge

Summary

And should sleep, and rise night and day, and the seed should spring and grow up, he knoweth not how.

Bible References

And grow

John 3:7
Do not be astonished at my telling you, 'You must all be born anew.'
1 Corinthians 15:37
and as for what you sow, it is not the plant which is to be that you are sowing, but a bare grain, of wheat (it may be)
2 Thessalonians 1:3
Unceasing thanks are due from us to God on your behalf, brethren. They are appropriate because your faith is growing greatly, and the love of every one of you for all the others goes on increasing.
2 Peter 3:18
But be always growing in the grace and knowledge of our Lord and Saviour Jesus Christ. To Him be all glory, both now and to the day of Eternity!

General references

Matthew 13:26
But when the blade shoots up and the grain is formed, then appears the darnel also.
John 9:10
"How then were your eyes opened?" they asked.
1 Corinthians 15:38
and to each kind of seed a body of its own.