Mix Gem Series Signata Marigols Seeds. Tagetes tenuifolia. 63-77 days. Annual. Non-GMO. Open Pollinated. Heirloom. Gem Series signata seeds promise a stunning and exotic twist to the traditional marigold popularly grown in the United States. Gem Series seeds grow tidy 9–12 inch dwarfed mounds of lacy fern-like greens covered in radiant .5 inch blooms of yellow red and sunburst. Signata marigold seeds are native to the demanding stretches of Mexico and Central America and are perfectly suited for a variety of similarly hot and challenging gardens. Gem Series marigold seeds boast some of summer s most gorgeous blooms and are a floral shop favorite to accent any seasonal arrangement basket or bouquet. Gem Series signata marigold is a hardy full sun performer and most commonly sown directly after the frost but for earliest blooms begin seeds 6–8 weeks indoors prior to the frost. Marigolds will take 7–14 days to germinate in full lighting. Signata marigolds are just as popularly grown indoors as they are outdoors. Plant 2–3 Gem Series marigold seeds .25 inch deep and 12 inches apart in average evenly moist and well-drained soil in full sun to partial shade. Signata is a vigorous full sun performer native to Mexico and known to tolerate gardens prone to heat drought and clay soils. Plants must be properly drained and ventilated are may be susceptible to powdery mildew root rot leaf spots and Botrytis. Marigold has no serious pests but monitor regularly for spider mites and thrips.