Alstroemeria , commonly known as Peruvian Lily or Lily of the Incas , is a stunning flowering plant that lend a touch of alien beauty to any garden . One pop variety is Alstroemeria ‘ Indian Summer ’ , which boasts an array of vibrant , exotic - looking blooms . The interrogation at helping hand is whether this exceptional mixed bag is hardy enough to withstand colder temperature .

To determine the hardiness of Alstroemeria ‘ Indian Summer ’ , we need to regard its leeway to low temperatures . broadly , Alstroemeria plants are see to be hardy in USDA hardiness zone 7 - 10 . However , it ’s important to note that this can vary depending on the specific assortment and local climate conditions .

In the showcase of ‘ Indian Summer ’ , it is get it on to be more patient of of cool temperatures compare to some other Alstroemeria varieties . It can typically hold up temperatures as low as -10 ° C ( 14 ° F ) without requiring winter trade protection . This means that in region where the average winter temperature do not drop below this threshold , ‘ Indian Summer ’ can be farm as a sturdy perennial .

However , it ’s worth observe that even though ‘ Indian Summer ’ is relatively hardy , provide some winter protection can still be good if temperature in your area occasionally dip below -10 ° C . This can include mulch the plants with a level of constituent textile , such as straw or compost , to insulate the ascendant and protect them from freezing . to boot , you’re able to consider report the industrial plant with a Robert Lee Frost cloth or using a cold frame to provide extra aegis during extreme cold-blooded spells .

It ’s significant to keep in mind that while ‘ Indian Summer ’ may be fearless enough to survive cold temperatures , it may still benefit from some extra care to ensure its retentive - terminal figure health and productivity . This can admit regular watering during dry periods , providing well - draining soil , and deadheading spent bloom to further continuous flowering .

In my personal experience , I have successfully grown Alstroemeria ‘ Indian Summer ’ in a region where wintertime temperatures now and again put down below -10 ° C . By providing some wintertime protection , such as mulching and covering , the plant life thrived and continued to develop their beautiful blooms year after year .

To summarize , Alstroemeria ‘ Indian Summer ’ is considered to be fearless in USDA zone 7 - 10 and can tolerate temperatures as low as -10 ° C . However , cater some winter shelter , especially in cold region , can help ensure the plant ’ survival and enhance their overall execution . With proper concern , this stunning perennial can fetch a touch of exotic beauty to your garden for years to hail .

Caroline Bates