Hollyhock 'Blackberry'

Name: Hollyhock 'Blackberry'
Brand: Diggers Club
SKU: S609
Price: 4.73 USD
Availability: InStock
Rating: 5.0 (5 reviews)

$4.73 ~~$6.95~~ In stock

Category: Seeds

This Double Hollyhock produces towering spires of fully double, rich blackberry-purple blooms that bring bold colour and classic cottage garden charm. Perfect for adding height to borders, fences, and cottage plantings, it creates a striking vertical display through summer. Loved by bees and butterflies, it thrives in full sun and well-drained soil, rewarding gardeners with a long-lasting, romantic floral show.

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Customer Reviews (5.0 / 5 · 5 reviews)

Harper G. ★★★★★ Oct 22, 2026

I planted these along a bare fence line and they shot up over six feet tall. The deep purple flowers are exactly what my garden needed for that classic cottage feel.

Charlotte Y. ★★★★★ Oct 21, 2026

The double petals on these are incredible—each bloom looks like a tiny ruffled pom-pom. I’m already planning where to add more next year for that classic cottage feel.

Chloe O. ★★★★★ Oct 20, 2026

Planted these at the back of the border and those double blackberry-purple blooms are exactly the bold height I was hoping for. The fully double flowers look almost like little rosettes, and they’ve turned a plain fence line into a proper cottage garden scene already.