Late march or early april through may.
Best time to plant tulip bulbs in colorado.
Colorado state university extension.
Across colorado plant tulip bulbs in september or october at least six weeks before the ground freezes and when the ground temperature has cooled to 55 degrees fahrenheit.
27 and 28 when denver botanic gardens sells hundreds of bulb varieties during the annual fall plant and bulb sale that will be held with free.
Tulip bulbs should be planted around september or early october around autumn or fall and before the first frost sets in.
Bulbs planted after october may not have time to root adequately and therefore may not flower uniformly in the spring.
September and october are the best months for planting bulbs.
Your tulips will bloom in spring.
At this point however bulb selection may be limited.
Daffodils tulips crocuses irises hyacinths and bluebells brighten up early spring days with their colorful blooms sometimes even pushing up through the snow to flower.
For unusual bulbs mark your calendar for sept.
Soil preparation is important for bulbs.
Some gardeners push it to november with good results but that all depends on our weather and soil conditions don t plant in frozen or wet soil.
When planting the bulbs keep in mind their time of bloom.
The ideal time to plant your spring bulbs depends on where you live and what the weather is like that season.
At most elevations the best time to plant bulbs is mid september to late october so bulbs can establish roots before the soil freezes.
This will allow ample time for the bulbs to become well rooted before the ground freezes.
However you don t want to plant them so early in the season that they have time to sprout.
Position bulbs the recommended depth replace the soil sprinkle bulb or flower fertilizer 2 lb 10 x10 lot over the area and water thoroughly.
Minor bulbs in february and march tulips.
Bulbs need several weeks in the ground to get their root systems growing before the ground freezes.
Bulbs are the most common and easiest way to grow them.
September and october is the ideal time of year to plant bulbs.
It s ok to plant up until the ground freezes in late fall.