Matching marigolds’ rich history is their famous golden hue itself. Don’t worry. The Practical Planter also participates in programs from ShareASale and other sites and is compensated for referring traffic and business to these companies. When to plant African marigolds. As mentioned, marigolds are actually among the easiest plants to deal with in this regard because they both weather drought extremely well while also being quite happy in moist soil. If you’re looking to add something truly outstanding to your garden this season, give tall marigolds a try. Water them only enough so they don’t look wilted. However, the further apart you can space them, the better, as French and signet marigolds do best with eight to ten inches’ worth of space and African marigolds can require as much as a full foot apart. Originating in Central America, these flowers were taken from the Aztecs to Europe and Africa in the 1500s, soon becoming a sensation on several continents. They are easy to grow, top out at 6 – 12 inches tall and have a long growing season with blooms that last frost to frost. Ideally, you should plant them in a sun-drenched area with reasonably fertile, well-drained soil. Here’s the scoop on getting them to last and last as cutflowers: Cut them early in the morning, then immediately place the stems in lukewarm water. The Practical Planter is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. When to plant African marigolds. Can’t locate any in your neck of the woods? Type above and press Enter to search. African marigolds are taller and more tolerant of hot, dry conditions than French marigolds. They are hardy or half hardy annuals and reach heights of 15 to 90 cm depending upon species. Where I live in Southern California, you can sow them right into a full-sun spot in your garden from March through August. Just as other marigolds, they grow best in a spot that is sunny and warm. When you put them in a vase, make sure there’s no foliage below the water line. (You can also look online and in a variety of seed catalogs to find different colors.) There are more than 50 different varieties of marigold, each of which is incredibly gold and able to retain that bloom for much of the year. Sure, they take a little extra work to get started, but the magnificently big blooms and bright golden colors they bring are well worth it! But just how big can marigolds grow, and what can you do to make sure you’re golden when growing these glories of your garden? If you do plant seeds, try and space them out to at least an inch apart. Thankfully, marigolds aren’t picky eaters as far as plant nutrients are concerned. I change my vase water the first day, then every three or four days thereafter. French marigolds can be grown from a seed with ease, while African marigolds are a bit trickier, so you may want to buy them as young plants and pot them instead. Of course, how tall your marigolds grow is in part dictated by how well you take care of them, which is why you’ll want to take note of the tips below for growing your marigolds to their biggest height and best bloom possible. Coming in warm colors of creamy white, yellow, orange, and rusty red, African marigolds can add a welcome pop of color all season long. Plant your dwarf marigolds in front of your tall ones for a stunning garden display! Antigua is a must in any discussion of this flower. I’ve actually had passersby spot these lovely annuals blooming in a front flower bed and stop to ask me what they were! The good news is the seeds aren’t hard to start, and you can find them in a just about any garden center or supermarket. Tall marigolds (also known as African marigolds or Tagetes erecta) are some of the most strikingly beautiful flowers around. And what’s a gardener to do with all those blooms? I’ll share what I learn as I develop my green thumb. You can get away with adding a few inches of Miracle Grow or a similar basic fertilizer and they should grow just fine. Tall marigolds have huge blooms, many 3-5 inches across! French marigolds can grow to between 6 inches to 2 feet, and signet marigolds rarely grow to over a foot tall.