Ipomoea Grandpa Ott Seed
Best heirloom climber for gardeners wanting vibrant vertical floral displays.
Discover the timeless appeal of Ipomoea Grandpa Ott seeds, an heirloom morning glory variety celebrated for its vigorous climbing habit and striking blooms. This annual flower produces large, captivating blossoms in a unique violet blue, dramatically accented with wide magenta veins. Ideal for adding vertical interest to gardens, trellises, or fences, these seeds are simple to plant via direct sowing. Embrace the classic charm and spectacular floral display of this beloved morning glory favorite, bringing traditional elegance to your outdoor space.
$2.95
Owner Satisfaction
4.7
/ 5
Category Rank
270
/ 5876
#270 in Seeds & Seed Tape
Price vs Category Average
-72%
Below average
Plant Height
120
/ inches
Who it's for
- Gardeners seeking high-impact, vibrant heirloom floral displays
- Homeowners needing rapid vertical coverage for fences or trellises
- Conservationists looking to support local bees and hummingbirds
Who should skip it
- Gardeners in warm climates wanting low-maintenance, non-invasive plants
- Parents and pet owners prioritizing safety in the garden
- Entertainers wanting all-day floral color for afternoon garden parties
Performance breakdown
Vertical Growth Potential
Reaches impressive heights, perfect for covering fences and trellises quickly.
Visual Impact
Striking violet-blue blooms provide a high-contrast aesthetic for any garden.
Ease of Planting
Direct sowing makes this an accessible choice for novice gardeners.
Germination Reliability
Consistent sprout times ensure a predictable start to the growing season.
Seasonal Versatility
Annual life cycle requires replanting but offers reliable, vibrant color.
Container Suitability
Vigorous climbing habit demands significant space, limiting small-pot utility.
Key Specs
Plant Height
120 inches
Plant Spread
6-12 inches
Plant Type
Annual
Planting Method
Direct Sow
Soil Temperature for Germination
70-75°F
Grow on Temperature Day
70-75°F
Grow on Temperature Night
60-65°F
Germination Days
3-15 Days
Features
- Vigorous climbing habit for vertical interest
- Large, eye-catching blooms
- Distinctive violet blue with magenta veins
- Heirloom variety for classic appeal
- Simple direct sow planting
- Old, established morning glory favorite
- Annual plant for seasonal color
- Ready to ship for quick planting
What customers say
Customers express high satisfaction with the reliability and aesthetic results of the Ipomoea Grandpa Ott seeds. Reviewers consistently report outstanding germination rates, confirming the seeds' high viability and the trusted quality of the Harris Seeds brand. Established vines show vigorous growth, quickly providing desired vertical interest. The most celebrated feature is the bloom: gardeners adore the deep, velvety purple blue color, noting it perfectly matches the heirloom description for a stunning summer display. While most feedback is glowing, some novice growers should note that proper preparation aids germination. Overall, these seeds deliver an easy to grow, high impact, and dependable Morning Glory, making them a highly recommended choice for flower enthusiasts.
Know before you buy
This variety is a vigorous climber that can reach heights of up to 120 inches, or 10 feet. Because of its height, it is best suited for trellises, fences, or other vertical structures.
No, this variety is not recommended for containers. Due to its significant climbing height and root requirements, it performs best when planted directly into the ground.
These seeds are designed for direct sowing into the garden during the spring. For the best results, ensure the soil temperature is between 70-75°F to encourage germination, which typically occurs within 3 to 15 days.
Grandpa Ott requires full sun exposure to thrive and produce its signature violet-blue blooms. Ensure you choose a location in your garden that receives direct sunlight throughout the day.
Yes, Grandpa Ott is a classic heirloom morning glory. It is prized for its historical charm and distinctive violet-blue flowers with striking magenta veins.
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