Most narcissus need about 12 weeks in cool soil (roughly 35 to 45 degrees) to make roots to support strong flowers.

These plants are best grown under moist and cool soil.

Roots stretch out in the cool soil and really grow.

That is, provide a cool, well-drained soil for the vines, but allow them to grow up where they will have plenty of light.

Beets can be grown all season long, but like spinach they germinate best in cool soil.

Note: A cooler soil is also a benefit because water doesn't evaporate as fast.

Who lay finally in the rubble, with hands and face against the cool soil?

The trickiest part is providing cool soil and moderate temperatures in August.

On the contrary, tecophilaea prefers dry, but rather cool soil in summer.

I looked down and picked up a fistful of cool soil.