### plant | tracheophyte | spermatophyte | angiosperm:

Marigold
* All marigolds are native to an area that extends from the Southwestern United States to Argentina.
* Most marigolds are hybrids.
* Most marigolds belong to genus
  - particular genus
  - contain substances
  - grow over seasons
* Most marigolds have edges
  - edible flowers
  - properties
  - kill insects
  - planted in home gardens are annuals
* Most marigolds produce flowers
  - yellow flowers
* Some marigolds attract insects
  - develop over years
  - provide food
  - reach height
* act as a natural antiseptic when picked as they begin to bloom.
* are a favorite annual and grow very easily
  - also available as bedding plants at garden centers
  - annual plants
  - annuals and susceptible to frost
  - annuals, which means they germinate and die all in one growing season
  - another popular flower in health circles
  - considered companion plants that keep insects away
  - dicots
  - easy to care for and grow
* are easy to grow and have a long flowering period
  - like full sun
  - grow, bloom reliably all summer, and have few insect and disease problems
  - flowers that are easy to take care of and bloom in about a week
* are grown from seeds
  - in gardens as natural insect-repellents
  - hardy, self-seeding flowers
* are native from Arizona and New Mexico to South America and Africa
  - to Mexico and South America
  - old standby companion plants that attract hoverflies, which feed on aphids
* are one of the few garden flowers that are true annuals
  - most beautiful flowers in the plant kingdom
  - prolific annuals that can add color to any garden
  - subject to far fewer insect and disease problems than most annual flowers
  - susceptible to common disease problems such as fungal stem and root rots
  - thought to deter garden pests, but some animals still want a bite
  - very pest free
* bend to the light.
* can be attractive to slugs and spider mites.
* can take a lot of heat
  - lots of heat and full sun
* come in all shapes and sizes
  - different colors, yellow and orange being the most common
  - many colors of yellow, orange, red, and white
  - yellow and orange colors
* contain pyrethum, which has an odor unpleasant to insects
* do suffer from some pest problems, including slugs, snails and aphids.
* flourish in most soils in sunny locations.
* go through different stages before actually blooming.
* grow best in damp to wet soil.
* grow easily from seeds and are easy to harvest
  - in Texas gardens from late spring to frost
  - well in poor soil
* have a muddled and mysterious history
  - pungent odor which keeps insects at bay, but they can be bothered by slugs
  - tangy, peppery flavor
  - very strong herbal scent
  - either a musky, pungent or no odor depending on the variety being bred
  - few disease and pest problems if they are properly grown
  - many uses in the gardens and as container plants
  - the leaves chewed up
  - values
* hold up well during hot, summer days if watered properly.
  - cytoplasm
  - sections
* look like flowers.
* plant in gardens.
* planted in vegetable gardens repel many insects.
* primarily act as a trap crop.
* reduce soil nematodes.
* release chemicals that bugs can t stand.
* repel a variety of garden pests, including rabbits
  - insects, including bean beetles, aphids, nematodes and slugs
  - white flies
* represent an alternative management tool for nematode diseases in vegetable crops.
* reproduce by seeds, and they're easy to plant and grow.
* require as much light as possible, especially with early spring crops
  - at least six hours of daily sunlight to flower at their best
  - full sun and grow best in well-drained soil with plenty of organic matter
* suppress root lesion nematodes.
* thrive in full sun and prefer well-drained soils.
* thus appear to be benign to the soil microflora.
* usually last less than a year because they are annuals.