Blue Cathedral Bells Cup and Saucer Vine Seeds


4 out of 5 stars
(5 reviews)
Availability: In Stock
Also known as monastery bells, this quick-growing vine has 2" cup-shaped flowers that open a beautiful pale green and mature to violet purple. Sow near arbors, fences, pergolas, or trellises for a quick privacy screen and sweetly scented air. Pinch back tips to encourage branching and achieve desired height. Generally pest free. Grown as an annual although perennial in USDA zones 9 and warmer, and can eventually reach 70'. Can be grown in containers.
$2.99 1 gram (~13 seeds)

Botanical Name: Cobaea scandens

Family: Polemoniaceae

Native: Mexico

Hardiness: Perennial in USDA zones 9 and warmer, otherwise grown as an annual. Established plants will withstand light frost.

Plant Dimensions: 24"-36" wide and 10'-70' tall, climbing vine

Variety Information: 2" bell-shaped flowers open pale green and mature to violet purple.

Exposure: Full sun to part shade

Bloom Period: Midsummer to frost

Attributes: Good for Containers

When to Sow Outside: 1 to 2 weeks after your average last frost date, and when soil temperatures are warm.

When to Start Inside: Recommended in cold climates. 6 to 8 weeks before your average last frost date. Ideal soil temperature for germination is 70°-75°F.

Days to Emerge: 10–30 days

Seed Depth: ¼"–½"

Seed Spacing: A group of 3 seeds every 24"–36"

Thinning: When 1" tall, thin to 1 every 24"–36"

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Blue Cathedral Bells Cup and Saucer Vine Seeds Reviews

5 reviews

Saucer Vine

1 out of 5 stars Jul 3, 2019
NOT ONE seed germinated. Very unhappy.
Rory Garza from FL
Owner Response: Hi Rory, Thank you for contacting us about this issue. We are so sorry the cup and saucer vine didn't germinate for you. We test our seeds regularly using an independent laboratory to make sure they exceed industry standards for germination, along with our own, which is why we are able to guarantee our seeds. The last couple of tests resulted in 96% and 93% germination, but this species does need a few tricks to get going. We will be in touch soon to see how we can help.

Worth it

5 out of 5 stars Aug 11, 2019
A little effort & patience with these seeds pays off. They're growing quickly & beautifully climbing up some lattice.
Lauren from NJ

Stunning blooms!

5 out of 5 stars Aug 31, 2020
A little stubborn to germinate but once they take off, they are worth the effort. Start extra early if you have short season.
Luanna Quesnot from MI

Great germination rate with a few 'tricks'

5 out of 5 stars Mar 17, 2021
I planted these seeds February 8th it's March 17th and they are growing strong and healthy, going on 7+ inches now! I did score them on sandpaper, soaked them 24 hrs and made sure to plant them vertically (so not flat side on soil) and had a 100% germination rate. Started clipping the shoots/tendrils back to have them grow more bushy rather than long. I know it's too early to plant them out yet, but I was so excited about how well these are doing I wanted to share here to encourage others to grow them. Bees and hummingbirds love them, they are gorgeous, so what are you waiting for!
Kat from MD

All vine, no bells

4 out of 5 stars Jul 13, 2021
Reached the end of my 60" trellis quickly and climbed over it. Two plants out of the entire packet germinated and survived. Not a single bloom, yet, but definately not dead at least. The two plants look different, presumably one is significantly more sunscorched but its a pretty red rust color so that's cool.
Owner Response: Hello, This variety normally blooms beginning in mid-summer (August), so they just need a tad more time, unless there is an overage of nitrogen which will delay flowering. Happy gardening!

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