flying summary
Cosmos , with their cheerful daisy - like flowers , are a dear addition to any garden . To ensure theirthriving growthandvibrant blooms , transplant seedling is a crucial step . This comprehensive guide will provide you with all the all-important noesis and techniques to successfully transplant cosmos seedlings , allowing you to cultivate a breathless display of these radiant bloom .
Selecting the Right Time
Theideal timetotransplant cosmos seedlingsis when they have developed their first set oftrue leaves , typically 4 - 6 week after sprouting . insure that the out-of-door temperatures have brace above 50 ° F ( 10 ° speed of light ) to preclude any shock absorber to the seedlings .
Hardening Off Seedlings
Before transplanting , it is essential to indurate off the seedlings to accustom them to outdoor condition step by step . Start by endanger them toincreasing periodsofdirect sunlightand winding for a few hours each day . Gradually increase the exposure time over 7 - 10 sidereal day to prepare them for the transition .
Choosing the Planting Site
Cosmos thrive in full sun but cantolerate partial shade . Select a well - drain filth richin organic matter . head off planting in field prone to waterlogging or excessive wet .
Preparing the Soil
To enhance land fertility and drain , improve it with compost or well - rotted manure . to boot , debate adding a tiresome - release fertilizer toprovide nutrientsfor the growing plants .
Transplanting Technique
1 . Dig Holes : moil holestwice the breadth of theroot balland as deep as the root testis itself . outer space the holes 12 - 18 column inch apart to allow for proper air circulation and growth.2 . Remove Seedlings : Carefully remove the seedlings from their container , mildly looseningany snarl roots.3 . Place in Holes : set the seedlings in the holes , assure that the top of theroot ballis level with the grunge surface.4 . Fill and Firm : Backfill the holes with grunge andgently firmit around the groundwork of the plants to secure them.5 . pee good : Water thetransplanted seedlingsthoroughly to settle the soil and eradicate any air pockets .
Post-Transplanting Care
Watering : H2O thetransplanted cosmos seedlings regularly , specially during dry spells . Avoid overwatering , asexcessive moisturecan lead to stem rot . fertilize : Fertilize the plants every 4 - 6 week with abalanced fertilizertopromote good for you growthand flowering . Mulching : Spread a stratum of mulch around the plant life toretain moisture , suppress weeds , and regulate territory temperature . Deadheading : Remove spent flowerstoencourage continuous bloomingand preclude the plant from putting energy into come production .
Troubleshooting Common Problems
Leggy Seedlings : If seedlings becomeleggy dueto insufficient sunlight , bring home the bacon more visible light by exposing them todirect sunor using grow lights . 黄叶 : Yellowing leavescan indicatenutrient deficiency . fertilise the flora fit in to the urge schedule . Disease : Cosmos seedlings are susceptible to diseases such aspowdery mildewandleaf spot . plow affected plants with an appropriate antimycotic .
Frequently Asked Questions
Q : Can Itransplant cosmos seedlings directlyinto the garden without harden them off?A : It is not recommended totransplant cosmos seedlings directlyinto the garden without hardening them off . Thesudden changein conditions can scandalize the seedlings and stunt their growth . Q : How late should I plant cosmos seedlings?A : Plant cosmos seedlingsas deep as theroot ballitself , secure that the top of the rootage ball is level with the land surface . Q : Can Itransplant existence seedlingsin the fall?A : Yes , cosmos seedlingscan be transplant in the gloaming inmild climateswith prolonged growing time of year . However , it is of import to ensure that there issufficient timefor the plants to found before the first frost .
