Increase to 16 hours a day over the first month. A Simple Five-Step Guide to Grow Marijuana Indoors. Growing Marigolds: Tips and Tricks. You can start seeds indoors, about 6 to 8 weeks before your last frost date, but it's not really worth it. Marigolds are hardy, self-seeding flowers. Decrease to 10 hours per day over the second month. For indoor growing, you should choose a smaller variety such as dwarf French marigolds, which are smaller than 12 inches fully grown. They’ll thrive as long as they are receiving enough light. For example, Tagetes erecta and Tagetes tenuifolia will withstand dry soil conditions, which means your indoor marigolds could still look perky and pretty at the office despite a three-day weekend. To do this, place a tray under the marigold container and fill this tray with water. Because they are cold-sensitive, marigolds (Tagetes spp.) Determine where you will grow your marigolds. According to the Old Farmer's Almanac, the colloquial term "marigold" can refer to several different species of plants, including Tagetes erecta (African, Mexican or American Marigold), Tagetes patula (French marigold), Tagetes tenuifolia (signet marigolds), and the technically unrelated Calendula officinalis (English marigolds or pot marigolds). Indoor marigolds will grow best in a sunny, south-facing window. Step 5: Be an Artist! Marigolds need full sun to produce their stunning blooms. Aside from chronically damp conditions, too much shade will also cause marigolds to suffer from lackluster blooms and poor growth. This guide highlights the most critical parts of setting up an indoor marijuana grow before you germinate, plant and start caring for your seeds. You can plant marigold seeds in shallow seed trays to begin with, and move the plants to pots or planters once they've begun to grow. Or you can plant the seeds directly in the pot you'd like to display the plant in. If the pot is small, go with ‘one plant per one pot’ rule. For more information about growing from seed to harvest, check out our website! Are Marigolds Dangerous for Puppies to Eat? However, Tagetes erecta tends to reach heights of 3 to 4 feet, which could make it a bold statement piece or an unruly mess, depending on your expectations. As long as the marigold pot or container has a hole in the bottom and is filled with soil all the way to the bottom (versus having a layer of gravel on the bottom), the dry soil will draw water up from the tray and toward the marigold's roots. If you’re growing hydroponically, 5.5 to 6.5 is an appropriate range. They require full sun, which is the major limiting factor when trying to grow marigolds indoors year round. The best choice for your home depends on how well you remember to water your plants and how large you expect them to get. Cathy Habas has been a full-time freelance writer since 2014. For more compact plants, try Tagetes patula, which grows 6 to 24 inches high, or Tagetes tenuifolia, which rarely tops 12 inches. However, this plant has a significant thirst for sunlight, which means they'll only thrive indoors near a suitably sunny window or with a supplemental grow light. Of course, you can find seedlings in just about every nursery, so you don't have to start them from seed at … Marigolds are quite forgiving plants, which is perhaps why they are a popular gift for Mother's Day and are sold as fundraisers by schools and sports teams. Marigolds grow well both in flowerbeds and in pots and other containers, but they need space to spread out. 46 Comments. Gardening Know How: Growing Marigold Flowers: How To Grow Marigolds, Light Requirements When Germinating Marigold Seeds. Alternatively, you can let the old flowers remain on the plant until they produce seeds, and then either plant these marigold seeds in a new container or gently press them into the soil of the existing container to allow fresh marigolds to flourish next season. She has written for "The Sporting News," the "Boulder Daily Camera" and the "Ogden Standard-Examiner" as well as magazines and online sites. In the winter, your marigolds might need to spend some time under a grow light. How Long Until Marigolds Flower From Seed, Soil Temperature for Outdoor Marigold Seeds. © Copyright 2020 Hearst Communications, Inc. Place the planted seeds under a grow light or in a sunny, southern window. Marigolds are most commonly thought to be the little orange and yellow flowers everybody grows because everybody can grow them. They don't need special soil or fertilizer, and they won't immediately die if you allow their soil to dry out. When to Start Indoors If you decide to start your seeds indoors, plan to sow them 6-8 weeks before your average last frost date. What you need. Depends upon the variety you are growing. They even fare well as potted plants. Plant the marigold seeds about 1/8 inch deep. Prep the tray or container for seed with a sterile planting medium (any potting soil will work at this stage) in each of the planting cells. Sow seeds 0.5 cm (¼”) deep, leaving spaces of 15-45 cm (6-18″) between plants. To get the longest growing season from your marigolds, start the seeds indoors before transplanting them outside. The soil in containers naturally dries out faster than the soil in the ground. Growth: 24°C. However, marigolds do not like wet soil, so avoid over-watering.
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