Mums ( Chrysanthemumspp . ) grow and flower well in full - sun conditions , though some tolerate or favour light wraith for part of the day . They are repeated works that can spring up in the garden year - beat and are also sell as fall - flowering annual . Whether you growmumsas yearbook or perennials , they flower well when pass on enough sun .
Sun Preferences
Mums requireat least six hours of sun every dayduring the summer month . For the best flower , mammy also require productive , well - drained garden stain or potting mix . These preferred grow conditions are shared by all varieties ofgarden mums .
Hardy garden mum ( Chrysanthemum morifolium , also calledDendranthema morifolium ) grows 1 to 3 feet tall and has a wide range of flower colors . It is hardy in U.S. Department of Agriculture plant hardiness zones 5 through 9 and , like other mums , require full sunlight . Though they share growing preferences , mum cultivars issue forth in a wide range of sizes and colors . ' Sweet Peg ' ( Chrysanthemum’Sweet Peg ' ) is a compact variety which grow 8 to 12 inches tall , has pink flowers and is stalwart in USDA zones 5 through 9 . The taller multifariousness ' Bronze Elegans ' ( Chrysanthemum ' Bronze Elegans ' ) grows at least 3 foot magniloquent , has bronze - red flowers and is hardy in USDA zone 4 through 9 .
Effects of Shade
Though mums can tolerate light shadowiness , they become weak and spindly when they do not get at least six hours of sun . Shaded plants also bring out few flowers . The only office where shadiness can be good is when you could supplyafternoon fill in in warm climatesto aid keep the works coolheaded .
To help keep lightly shaded industrial plant compact , pinch 1 inch off the base tips when the plants reach 6 to 8 inches tall and then again when the new maturation is 6 inches grandiloquent . you may also pinch plants in full sun to further branching . vellicate , even when done in the late outflow or former summer , will delay inflorescence by a few weeks . For more undefendable plants that flower earlier in the fall , do not twitch .
Day-Length and Flowering
When mums flower is directly influenced by how much light they receive . Mums are " short - day plant , " which intend they postulate the recollective nights that accompany the fall time of year to trigger flowering . Mums start to arrange flower bud once they get at least 11 hours of dark at nighttime .
This does n’t change the fact thatmums needfull - sunshine grow condition , but it does work where you found mums . Do not plant mum near a street lamp or porch luminousness , since artificial light will affect their bloom cycle and may leave in fewer flowers .
