Marigold varieties readily hybridize by means of insect pollination. Whereas flower shade can affect pollinator attraction, the first issue figuring out profitable cross-pollination between marigolds in Texas is their species and, extra particularly, their compatibility inside the Tagetes genus. As an illustration, French marigolds (Tagetes patula) will readily cross-pollinate with different French marigolds, no matter shade, however are much less more likely to cross-pollinate with African marigolds (Tagetes erecta). Proximity additionally performs a task, with nearer proximity growing the possibility of cross-pollination. Due to this fact, planting completely different varieties in shut proximity will encourage hybridization, doubtlessly leading to new shade variations and traits in subsequent generations.
Controlling cross-pollination is essential for seed saving and sustaining varietal purity. Gardeners aiming to protect particular marigold traits ought to isolate completely different varieties by distance or make use of bodily obstacles like netting. Conversely, open pollination can result in thrilling new hybrids, contributing to the variety of marigolds in a backyard. The nice and cozy local weather and lengthy rising season of Texas present splendid circumstances for marigold seed manufacturing, making it an appropriate location for intentional hybridization. Traditionally, open pollination has been a serious driver in marigold diversification, ensuing within the big selection of colours and types obtainable right now.