McKana Giant Columbine Seeds grow beautiful blooms in radiant hues of red, white, yellow, and purple. McKana Giant Columbine Seed Mix will liven up any garden, meadow, or flowerbed; plus, they make a lovely bouquet! McKana Giant Columbines stand 60-90 cm high and produce buttercup shaped flowers that are 10-15 cm across. Elite gardeners chose McKana Giants! It’s easy to overcrowd these plants when they’re small, use annual flowers to fill in between your giant columbine plants until they are fully grown. Ideal spacing is 45-60 cm apart.
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McKana Giant Mixed Columbine-100 Seeds
$3.65
In stock
In stock
Description
Quick Facts
Perennial
Full sun to part shade
- Attracts Hummingbirds and Bees
Blooms spring-summer
Good Rockgarden Or Alpine Plant
Plants For Small Spaces
Large 90-100 cm plants
- Deer and Rabbit resistant
Seeds, plants, roots are poisonous, especially to cats
These are the garden columbines. The McKana Columbines have never been surpassed. With clear, bright-colored flowers, these are sizable plants, growing up to 90-100 cm. Their show in the garden can be truly spectacular. These famous flowers were bred by combining both the North American native columbines with others from abroad. The McKanas include the famous all-red Crimson Star, a major hummingbird plant, and some of the unique fully-double hybrids.
Foliage |
Compact mound of ferny light-green foliage.
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Soil Type |
Sandy Soil, Loamy Soil, Moist/Wet Soil, Acidic Soil
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Soil Moisture |
Average, Moist / Wet, Well Draining
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Advantages |
Attract Hummingbirds, Deer Resistant, Rabbit Resistant, Good Rockgarden Or Alpine Plant, Plants For Small Spaces
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Ideal Region |
Growing Zone 3-8
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Planting Time |
Spring / Summer, Fall
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Starting Columbine
Details
Columbine Growing
Columbine may be grown from seed sown early indoors and transplanted outside after frost, or sown directly in the garden, or sown using the winter sowing method, or grown from potted plants.
- Stratify seeds (Learn how-to here)
- Sow indoors using a seed starting kit or sow in flats.
- Just cover the seeds lightly with seed starting mix
- Keep the soil moist at 18-23 C
- Seedlings emerge in 22-30 days
- As soon as seedlings emerge, provide plenty of light on a sunny windowsill or grow seedlings 10-15 cm beneath fluorescent plant lights turned on 16 hours per day, off for 8 hours at night. Raise the lights as the plants grow taller. Incandescent bulbs will not work for this process because they will get too hot. Most plants require a dark period to grow, do not leave lights on for 24 hours.
- Columbine seedlings do not need much fertilizer, feed when they are 3-4 weeks old using a starter solution (half strength of a complete indoor houseplant food) according to manufacturer’s directions.
- Before planting in the garden, columbine seedling plants need to be “hardened off.” Accustom young plants to outdoor conditions by moving them to a sheltered place outside for a week. Be sure to protect them from wind and hot sun at first. If frost threatens at night, cover or bring containers indoors, then take them out again in the morning. This hardening off process toughens the plant’s cell structure and reduces transplant shock and scalding.
- Columbine will germinate best if the seed is stratified (Learn how-to here)
- Choose a location in full sun or part shade with moist, organic soil. Sow in spring to early summer.
- Work organic matter into the top 15-20 cm of soil; then level and smooth.
- Sow evenly and thinly cover with 5 mm of fine soil.
- Firm the soil lightly and keep it evenly moist.
- Seedlings will emerge in 22-30 days.
- Thin to 20-25 cm apart.
If a plant is hardy in your zone, you can plant its seed any time in winter, regardless of the temperature outside. Sprouting will occur when warmth arrives, normally in spring. However, the seed can also sprout during some freak warm spell between weeks of frigid conditions. This is not a problem for perennials and hardy annuals. They simply know how to face the changing temperatures.
- There is no need to stratify seeds when winter sowing
- Chose your container and planting medium
- Plant seeds anytime November-March 5 mm deep
- Learn more about Winter Sowing here.
Before you sow seeds stratify them first.
Work your ground to ensure it is a nice loose soil and ready for planting.
Sow seeds 3 mm deep, mixing with sand helps to keep the seeds separated.
Ensure your soil is kept moist during the germination period.
Thin seedlings to 25-35 cm apart.
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