When should I plant marigolds?
When to Plant
You can plant marigold seeds directly outdoors in the spring after the danger of frost has passed for your area or start seeds indoors up to about eight weeks before the last frost. Seeds usually germinate within four to 14 days in soil temperatures between 70 and 75 degrees Fahrenheit.
Can you plant marigolds close together?
Plant after danger of frost in holes predug to the same depth and slightly wider than the packs or pots. Space dwarf varieties 6 inches apart, medium types 10 to 12 inches apart, and allow at least 12 inches of space between larger marigolds. Water thoroughly.
Do marigolds come back every year?
The bright flowers look a lot like carnations, and they sprout early and stay abloom all season long. The popular types of marigolds for garden planting are all annuals, sprouting, flowering – and dying in the same year. But they may come back the following year thanks to self-seeding.
Where is the best place to plant marigolds?
Choosing and Preparing a Planting Site
- Marigolds thrive in full sunshine and can often withstand very hot summers. …
- If planted in shade and cool, moist areas, marigolds are prone to powdery mildew and won’t bloom well.
- Though they grow in almost any soil, marigolds do best in moderately fertile, well-drained soil.
How long do marigold plants last?
Marigolds are annuals, which means they germinate and die all in one growing season. Generally, their maximum lifespan is less than a year, considering that they are usually started indoors in midwinter and die with the first frost.
Should I soak marigold seeds before planting?
Flowers. Large seeds such as sunflowers and nasturtiums benefit from soaking in warm water overnight. Other flower seeds that will germinate faster include moonflowers, lupins, sweet peas and morning glories. … Smaller seeds such as zinnia and marigolds can be soaked as well.
What can you not plant near marigolds?
Marigold – French Marigolds (Tagetes patula) produce chemicals that repel whitefly, Mexican bean beetles, root knot nematodes, and root lesion nematodes. Avoid planting them near beans. Mexican Marigolds (T. minuta) have the same effect, and may repel rabbits.
Do you deadhead marigolds?
Some flowers, especially annuals, can be kept blooming through the whole growing season simply by regular deadheading. Marigolds, cosmos and geraniums bloom all summer if flowers are consistently cut or pinched off as they pass their peak.
How often should I water marigold?
Established marigolds in garden beds need a good soak once each week. Give them enough water so that the soil is moist to a depth of 6 to 8 inches. If the weather is unusually hot or windy, they’ll need extra water. Water marigolds in pots when the top 1 to 2 inches of soil is dry.
What flowers can be planted with marigolds?
Marigolds are drought-tolerant plants that thrive in sunny, hot weather. They aren’t fussy about soil type, but well-drained soil is an absolute must.
Here are some common vegetables that enjoy marigold companions:
Do marigold flowers spread?
They are one of the very best companion plants and should be spread throughout a vegetable garden in order to repel some common pests, including whitefly and others.
Is a marigold a perennial or annual?
Common garden marigolds are annuals, but because they self-sow, sometimes they are mistakenly identified as perennials. Even in regions with mild winters free of frost, marigolds grow as annuals, with bloom development fading in fall. Of the perennial marigolds, you’re only likely to find three species available.
Do marigolds need a lot of sun?
Once planted, marigolds grow rapidly with no fuss. Most thrive in full sun, taking hot, sunny exposures in stride. Marigolds can even handle the reflected heat and light of paved surfaces as long as they get regular moisture. However, marigolds will tolerate up to 20% shade if there is bright light the rest of the day.
What do marigolds keep away?
Marigolds – The marigold is probably the most well-known plant for repelling insects. French marigolds repel whiteflies and kill bad nematodes. … If you choose marigolds for your garden they must be scented to work as a repellant. And while this plant drives away many bad bugs, it also attracts spider mites and snails.