One application of fertilizer in fall produces good root development rather than top growth.

And good root development is the secret to a healthy plant.

Depending on the bulb, figure on 10 to 12 weeks at 40 degrees to allow for root development.

It usually occurs after root development is finished, found predominantly in African American women older than 40.

Too many leaves on the lawn will inhibit top growth and root development.

But the nice thing about these baggies is that you can see the root development.

Soils on the slopes have low water holding capacity and are poor for root development.

"I think the temperature can range too much, so sometimes they rot or you don't get good root development," he said.

Plant bulbs during the next three to four weeks to allow root development before the ground freezes.

Change of fertilizer program during the growing season in order to adjust for fruit, flower, and root development.