Mark 4:27

then continues sleeping by night and getting up by day, while the seed sprouts and comes up without his knowing how.

John 3:7-8

Never wonder at my telling you that you must all be born from above.

1 Corinthians 15:37-38

and what you sow does not have the body that it is going to have, but is a naked grain, of wheat (it may be) or something else;

2 Thessalonians 1:3

We always ought to be thanking God for you, brothers, as it is right to do so, because your faith is growing so much and the love of every one of you for one another is increasing

2 Peter 3:18

but instead, you must continue to grow in the spiritual strength and knowledge of our Lord and Saviour Jesus Christ. To Him be glory now and forever!

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
Never wonder at my telling you that you must all be born from above.
1 Corinthians 15:37
and what you sow does not have the body that it is going to have, but is a naked grain, of wheat (it may be) or something else;
2 Thessalonians 1:3
We always ought to be thanking God for you, brothers, as it is right to do so, because your faith is growing so much and the love of every one of you for one another is increasing
2 Peter 3:18
but instead, you must continue to grow in the spiritual strength and knowledge of our Lord and Saviour Jesus Christ. To Him be glory now and forever!

General references

Matthew 13:26
And when the wheat plants grew up and yielded their ripened grain, the wild wheat plants appeared too.
John 9:10
So they kept on asking him, "How in the world did you come to see?"
1 Corinthians 15:38
but God gives it just the body He sees fit, even each kind of seed its own body.