I give new plantings a high volume liquid application 14 days after planting. Solution concentration is up to 5 lb per 100 gallons, 50 gallons per 1000 sq ft. Keeping in mind that moving them from the nursery to the landscape is an example of moving to the wrong side of the tracks. At the nursery, they probably got controlled release granules mixed into their media and solubles injected into the irrigation.
They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety.
Benjamin Franklin 1775
Sell not virtue to purchase wealth, nor Liberty to purchase power.
Benjamin Franklin Poor Richard's Almanac1738