Highlights
Choosing the Right Location
Cosmos opt full sun to fond shadowiness . They are tolerant of awide rangeofsoil typesbut thrive in well - drained , fertile stain . Avoid planting in area where water tends to collect , as cosmos do not stand muddy condition .
Preparing the Soil
Beforeplanting cosmos seed , prepare the soil by tilling it to a depth of 12 inches . Mix in compost or manure toimprove stain fertilityand drain . Theideal soil pHfor cosmos is between 6.0 and 7.0 .
Sowing the Seeds
Cosmos source should besown directly outdoorsin the spring or other summer , after the lastfrost date . Sow the seeds thin , about 1/4inch deepand 12 inch apart . Gently press the seeds into the grunge and body of water lightly .
Watering
Water cosmos plants regularly , specially during hot , dry atmospheric condition . Allow the soil to dry out out slightly between watering . deflect overwatering , as this can lead to root rot .
Fertilizing
fecundate cosmos plants every few weeks with abalanced liquid fertilizer . Avoid over - fertilizing , as this canpromote unreasonable leafage growthat the expense of flowers .
Deadheading
Deadheading , or removing spend flowers , encourages cosmos plantsto bring out more bloom . Regularly remove faded blossom topromote continuous floweringthroughout the time of year .
Pests and Diseases
Cosmos aregenerally pest – and disease - immune . However , they can be susceptible to aphids , wanderer mites , andpowdery mildew . Treat infestations quick with appropriate pesticides or antifungal .
Harvesting
Cosmos efflorescence can be harvested for bouquets or arrangement . Cut the shank at the base of the flowerhead , go out a few column inch of stem for the plant to go on blooming .
Final Thoughts: A Garden Adorned with Cosmos
Planting cosmos seeds outside is a rewarding experience thatbrings vivacious colorand cheer to your garden . By accompany these simple steps , you could savor the beauty ofcosmos bloomsall time of year long .
Answers to Your Most Common Questions
Q : When is the best meter toplant cosmos seedsoutside?A : Sow cosmos seeds outdoorsin the springiness orearly summer , after the last frost engagement . Q : How deeply should I plant cosmos seeds?A : Plant cosmos seedsabout 1/4 inch thick . Q : How far aside should I space cosmos seeds?A : Space cosmos seedsabout 12 inch aside . Q : How often should I water cosmos plants?A : Water universe plants regularly , specially during red-hot , ironic weather . Allow the soil to dry out slenderly between waterings . Q : How can I encourage more blooms on my universe plants?A : Deadhead drop flowers regularlytopromote continuous floweringthroughout the season .