Mostly native to the Mediterranean region, these mounding plants brighten spring borders and rock gardens with their cheerful bloom. They thrive in poor, rocky soil as long as it is well drained.
Grows to 8 in. high and 1 1/2 ft. wide, with gray leaves and dense, short clusters of fragrant yellow flowers. The compact and heavy-flowering ‘Berggold’ (‘Mountain Gold’) is the most commonly sold variety.
Tight, dense, spherical red-purple flower clusters top 2-ft. stems in summer. Spreads freely.
This annual grows to 7 ft. tall and 1 1/2–2 1/2 ft. wide, with yellow-centered, yellow or orange...
Lilac flowers in fall. Orange-red stigma is the true saffron of commerce. To harvest saffron, pluck st...