‘Stella de Oro’ will thrive in almost any sunny location you choose to put it, including rocky, salty soils where few other plants survive. But keep it away from areas that get drenched with water, such as beneath roof overhangs. For best performance, medium-moisture, humusy, well-drained soil is ideal. When planting in masses, space the plants 12 to 18 inches apart; they will expand rather slowly and will not require division for several years.
Light: ‘Stella’ does best in a full sun location in most regions, but in very warm southern climates it will appreciate a bit of shade in the afternoon hours.
Soil: Humusy, well-drained soil is the ideal environment, but ‘Stella’ will also do fine in dry, even rocky soil. It accepts a wide range of soil pH levels, from acidic to alkaline.
Ideally, ‘Stella’ should get about 1 inch of water per week in the form of rainfall and/or irrigation, but it will easily survive two or three weeks of drought, though with diminished flowering. Consistent moisture produces the best flowering. Where possible, water through ground-level soaking rather than overhead sprinkling.
In good soil, ‘Stella de Oro’ doesn’t require much in the way of feeding, though it will appreciate a thick layer of organic mulch applied each spring. Where flowering is weak, a feeding of slow-release granular fertilizer in the spring, then another immediately after the first major flowering period, is a good regimen.
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