Friday, May 21, 2010

I transplanted some vey old daffodils/irises that had been mown for years how can i get them to bloom?

3 years ago I transplanted some daffodils/irises that were 50/60 years old. Plus for the last twenty years that had been mown over. Only a handful out of one hundred bulbs have ever bloomed. What or how can I get them to bloom?

I transplanted some vey old daffodils/irises that had been mown for years how can i get them to bloom?
Don't fret too much. Iris' and Daffodils can take a lot of abuse.


For those Iris' - Poor flowering is normally due to planting in excessive shade, using too much fertilizer, planting the rhizomes too deep, or plants that have become too crowded and need dividing.





Most iris will grow best in full sun (6 to 8 hours a day). Some shade in the afternoon will help keep flowers from wilting. Iris need very well-drained soil. You can amend your soil with organic matter if your soil is poor. Manure is tricky as it can encourage iris soft rot. Soil acidity will depend on the iris type.





Fertilize a new iris bed when preparing the soil before planting with a complete fertilizer low in nitrogen and high in phosphorus and potassium.


When feeding established iris, do not let fertilizer touch the rhizomes. It is better to underfeed than to overfeed bearded iris. Reblooming varieties, however, are more likely to rebloom with supplemental food and water after spring bloom.





Remove old blooms and stalks promptly after flowering to allow the plant to devote its energy to growth rather than seed. Removing old blooms and stalks also encourages repeat flowering on reblooming iris.





The best time to plant bearded iris is July through September, or October near the coast. This will allow them to become well-established before winter.





After three to five years, iris generally become crowded and should be divided.








Now for those daffodils - They tolerate most light levels and most watering conditions (not too dry or wet) as long as your soil is a well drained mixture. They like it cool 50 - 60 (degrees F) days, 45 - 55 nights. Pretty much leave them alone if you've got those conditions right. I don't recommend heavy fertilizing.
Reply:Mix some bone meal into the dirt around the bulbs to make them grow. After a couple of years when the bulbs have grown back to size and health they will bloom. I am assuming you planted them in good dirt, in the sun and not crowded together.
Reply:If you've separated the bulbs and given each the space that they need to grow, then they should come back on their own, so long as the bulbs are not damaged. Make sure they get plenty of water, and you may also try some bulb food for them. I believe Scotts has a pretty good time release food that will work well.

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