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Canna-Yellow Tropical Green Leaf Seeds


Canna-Yellow Tropical Green Leaf Seeds

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Product Description

Canna generalis

5 Seeds Per Package


The base of each petal is a luminous yellow-gold, frequently overlaid with a wash of tiy freckles sporting apricot, beige, or pink tones. Unusual and dramatic. 

First step in growing canna from seed involves chipping the seed. Canna seeds have a very hard coating which wears down over time in a moist environment. If you simply planted the seeds, whole, germination will be more unpredictable. The plants have obviously worked out when is the best time for their children to emerge in the wild, but we are not interested in all that. By chipping the seed you are in control of timings.

A certain amount of pressure needs to be applied to scratch the seed coating. You do not want to go too deep, just until you can see the white inside.

This may take a little practice. The seeds have a tendency to fly off all over the place. If they hit a solid floor they tend to bounce and disappear under the furniture. Chose your location wisely.

Next, once you have chipped all the seeds they need to be soaked. This is where your small stemless glass comes in. Cover the seeds in water and leave for about 48 hours. If you forget about them for an extra few days it does not seem to matter.They just start to grow in the glass.

After a couple of days in soak, they need to be planted. They can either be planted in individual cells trays or in 3 - 4 inch flower pots. Using individual seed trays removes the need to prick the seeds out, i.e. untangle all their roots and plant individually when they are a bit older. However the germination success rate seems to suffer. So if you only have a limited amount of seeds I would plant them in plastic flower pots. I would also only plant a maximum of 4 or 5 to a pot. This is to reduce the headache of untangling the plants when they need their own pots.

Before planting I like to sterilize the compost. This is to kill off any fungal spores that may wish to attack your babies as they emerge. My preferred method is as follows:

Fill the clean flower pots with a multi-purpose compost (new shop bought stuff, don't use any old rubbish left over from last year!). I like to use boiling water to sterilize the compost surface. Fill a small (pint sized) watering can with a fine rose attached, with boiling water. Water this onto the compost. Using a fine mist prevents an uneven surface. 

If you do this an hour or so before planting, the seeds will benefit from having a nice warm pot of compost. The compost will also have drained any excess water and be at just the right level of moisture. Pop the seeds in evenly and not too deep. A constant temperature of 70 to 75 F. (21-24 C.) is necessary to initiate germination. You can use a heating pad to maintain the temperature.

Next put the pot into a medium freezer bag and seal the top. This way you do not have to worry about the compost drying out. Keep the pot in a warm place but not in direct sunlight.

Once the majority of plants have emerged the bag needs to come off. If you have a frost free greenhouse put them out in it. If you do not have such luxuries, they will grow on a window sill. Make sure the plants are rotated regularly or they will grow side ways. Before I had a greenhouse I found that plants grown indoors would get sun burnt when I put them outside in the spring. You will need to acclimatize your plants to outside by leaving them in the shade for a while.

As your plants grow they will need to be separated and planted up individually. Soak the pot thoroughly. This makes the compost soggy and then it is easier to pull the plants apart without too much damage to the roots.. Re-pot the plants individually in small pots. Do not think you can save time by planting them in large pots. For some reason the plants do not like this and often languish. Pot up when you see the roots emerging from the base of the pot. Think of it like changing gear in a car. If you change up too soon, the car struggles. If you change gear at high rev's the car accelerates away nicely. Canna lily is a monocot, with just one seed leaf emerging first. When the seedlings are over 6 inches in height, they can be transferred into pots. Planting in the garden should be attempted only after all danger of frost is over. 5 Seeds Per Package.

How to Sow Canna From Seeds
  • After all danger of frost is past, sow outdoors where plants are to grow
  • For best results, sow indoors, covering the seeds with 4 times their thickness in soil
  • Maintain a temperature within the medium of 75-85° F
  • If the seed coats are nicked or filed and the seeds soaked in warm water for 48 hours
  • Seeds will germinate in 7-14 days
  • Blooms arrive in 3 months from sowing
  • When sowing seed outdoors, we recommend a maximum planting depth of 4X the width of the seed

How to Grow Canna

Spacing: After danger of frost is past, space 18-24 inches apart

Soil: Keep the soil evenly moist and fertilize the plants regularly

Additional Care:  Taller varieties may require staking. In the north, dig up the rhizomes after frost and store them in peat, vermiculite or sand in dark, dry place, preferably with temperatures of 45-50° F for winter. In zones 7-10, mulch the plants for winter 

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