As he (a person) regularly hears and chants, the seed will fructify and gradually grow into a mature plant and then produce the fruit of devotional service, namely love of Godhead, which the gardener (mala-kara) can then enjoy without impediments

Expressions researched:
"As he regularly hears and chants, the seed will fructify and gradually grow into a mature plant and then produce the fruit of devotional service, namely love of Godhead, which the gardener (mālā-kāra) can then enjoy without impediments"

Sri Caitanya-caritamrta

CC Adi-lila

As he regularly hears and chants, the seed will fructify and gradually grow into a mature plant and then produce the fruit of devotional service, namely love of Godhead, which the gardener (mālā-kāra) can then enjoy without impediments.

CC Adi 9.9, Translation and Purport

Thus the Lord brought the desire tree of devotional service to this earth and became its gardener. He sowed the seed and sprinkled upon it the water of His will.

In many places devotional service has been compared to a creeper. One has to sow the seed of the devotional creeper, bhakti-latā, within his heart. As he regularly hears and chants, the seed will fructify and gradually grow into a mature plant and then produce the fruit of devotional service, namely love of Godhead, which the gardener (mālā-kāra) can then enjoy without impediments.