Quick notes
Cannas , with their vivacious leaf andshowy bloom , are a staple fibre in many garden . Planting canna bulbs outside is arewarding endeavorthat can add a touch oftropical flairto your outside space . Whether you ’re a seasoned nurseryman or just lead off out , this comprehensive templet will fit out you with the knowledge and techniques to successfully set canna bulbs out of doors .
Choosing the Right Location
The first step in found canna bulbs outdoors is select an appropriate location . canna thrive in full sun topartial shadeand well - drained soil . Avoid planting them in area prostrate to waterlogging or frost .
Preparing the Soil
Before planting , set the soil by tilling it to a deepness of 12 - 18 inch . Amend the soil withorganic subject , such as compost or manure , toimprove drainageand fertility . Theideal soil pHfor cannas is between 6.0 and 6.5 .
Planting the Bulbs
Plant canna electric-light bulb with the “ eyes ” ( thesmall clinical depression ) facing up . Dig a hole twice the diameter of the bulb and three times its depth . Place the bulb in the gob and fill it with grime , tauten it lightly around the basis of the bulb .
Spacing and Depth
Space canna bulb 12 - 18 inch aside . Plant the bulbs 2 - 3inches deepin well - run out ground . In colder climates , set them a picayune deeper to protect them from Robert Frost .
Watering and Fertilizing
After planting , water thecanna bulbs profoundly . Water regularly , especially duringdry geological period . Fertilize the cannas every 4 - 6 weeks with a balanced fertilizer .
Mulching
Mulch around the canna lightbulb withorganic matter , such as shredded bark or compost , toretain wet , suppress weeds , and order soil temperature .
Supporting Tall Varieties
Tall varieties of cannas may need support to forbid them from tumble over . back the plant as they grow , usingbamboo stakesor love apple cages .
Dealing with Pests and Diseases
Canas aregenerally pestand disease - immune . However , they can be susceptible to aphids , spider mites , and fungal diseases . Monitor your plants on a regular basis and take appropriate control condition measures if necessary .
Overwintering Cannas
Incolder climates , canna must beoverwintered indoorsto protect them from Robert Lee Frost . Dig up the bulbs in the fall after the first frost and salt away them in a coolheaded , dry placeuntil spring .
Dividing and Replanting Cannas
Cannas can be divided and replanted every 3 - 5 year topromote level-headed growthandprevent overcrowding . hollow up the clod in the spring and separate them into individual bulb . Replant the bulb following thesteps outlinedabove .
Troubleshooting
job : Canna leavesare turning icteric . root : Nitrogen deficiency . fertilise with a balanced plant food . Problem : Canna leaveshave brown spot . Solution : fungous disease . regale with a antifungal agent . trouble : Cannas are not blooming . solvent : want of sunshine or nutrients . guarantee the plants are get enough sunlight and fertilize regularly .
What You Need to Know
A : Spring , after the last frost .
A : 2 - 3inches deepin well - debilitate land .
A : Regularly , especially during teetotal full stop .
A : Yes , fertilize every 4 - 6 weeks with a balanced fertilizer .
A : travail up the bulbs in the fall and store them in a coolheaded , dry placeuntil spring .