Grandview Catmint on a white background.
Catmint Seeds, Grandview
Close-up Grandview Catmint, single color
Grandview Catmint on a white background.
Catmint Seeds, Grandview
Close-up Grandview Catmint, single color

Catmint Seeds,
Grandview

43 ReviewsSKU: #HB329Min. seed count: 100
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Description

(Nepeta subsessilis) Soft pastel blue, pink, and white flower spikes combine for a romantic effect. Cats won't be the only ones loving this colorful mix; it's also a major pollinator magnet! Plants reach 1 to 2 feet in height and about 1 to 1.5 feet wide, blooming in high summer, attracting songbirds, hummers, butterflies, and bees.

Growing Tips: Grandview catmint is a hardy, low-maintenance perennial that prefers full sun and well-drained, loose soil. Although it belongs to the same genus as catnip, this variety grows in more ornamental, tidy clumps and is less aggressive in spreading. This plant is drought-tolerant once established and highly attractive to pollinators like bees and butterflies.

Plant Details

Botanical Name
Nepeta subsessilis
Life Cycle
Perennial in zones 3–7
Sun Requirement
8–12 hr.
Days to Germinate
7–14
Days to Maturity
90–120
Planting Depth
Surface sow
Plant Spacing
12–18 in.
Ideal Temperature
70–75°F
Frost Hardy
Yes

When to Grow

Start seeds indoors 8-10 weeks before the last frost or sow directly in the garden once the frost danger has passed Can also be in the fall for milder climates. It’s perennial in USDA zones 3-7, making it adaptable to various growing conditions. The ideal temperature for optimal growth is 70-75 F. Check local frost dates to determine the most optimal time for sowing. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

To plant Grandview catmint, surface sow the seeds by gently pressing them into the soil and covering them lightly. You can start seeds indoors 8-10 weeks before the last frost and transplant them outdoors once the danger of frost has passed​. Space the plants about 12-18 inches apart to accommodate their bushy growth. Mulching around the base helps retain moisture and regulate soil temperature. Many people prefer propagating catmint plants through cuttings as it is generally easier than growing from seeds. Simply take a cutting from a healthy plant, remove the lower leaves, and place it in water until roots develop. Then, plant it in the soil.

How to Grow

Grandview catmint thrives in lean (poor), well-drained soil, as overly rich soil can lead to floppy growth. It’s more ornamental than catnip, with a preference for slightly better soil conditions. After the first bloom, shear the plants back by one-third to encourage a second flowering and maintain a neat appearance. Although Grandview catmint is drought-tolerant once established, regular watering is essential during the first growing season​.

How to Save Seeds

  • Seeds are mature once the flower heads have fully dried and turned brown. To harvest them, cut the flower spikes and place them inside a paper bag. This allows the seeds to completely dry and drop; you may need to shake the bag gently to help loosen the seeds. Afterward, separate any chaff from the seeds and store them in a cool, dry place.
  • Many people prefer propagating mint plants through cuttings as it is generally easier than growing from seeds. Simply take a cutting from a healthy plant, remove the lower leaves, and place it in water until roots develop. Then, plant it in the soil.

FAQ

How do I plant Grandview catmint?

Surface sow the seeds, pressing them gently into the soil for good contact but leaving them uncovered, and keep the surface evenly moist until they sprout. You can also start seeds indoors and transplant them after the last frost.

What soil does Grandview catmint prefer?

Catmint Grandview prefers loose, well-drained soil and is a bit less tolerant of poor soil compared to other catmint varieties.

How is Grandview catmint different than catnip?

While it belongs to the same genus, Grandview catmint grows in more tidy clumps and does not reseed as easily. It is more ornamental and a bit less tolerant of poor soil and prefers loose, well-drained soil.

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