Black Dragon Rose Flower Seeds for Planting – Heirloom, Non-GMO, Easy to Grow, Perennial
Open Mouth Bonsai Lotus Flower Seeds for Planting – Heirloom, Non-GMO, Easy to Grow, Perennial
Silene Caroliniana Flower Seeds for Planting – Heirloom, Non-GMO, Easy to Grow, Perennial
€0,00 EUR
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Enjoy Free Shipping Worldwide!
Totaal aantal items
Product subtotaal
Buy 2 and get 10% off
Buy 5 and get 15% off
Buy 10 and get. 30% off
Kon afhaalbeschikbaarheid niet laden
Product Description
Bring a touch of dramatic elegance to your garden with Blacknight Hollyhock Flower Seeds—perfect for gardeners who love bold, show-stopping blooms. These high-quality seeds boast an excellent germination rate, making them ideal for both beginners and seasoned plant lovers. Whether planted in garden beds or large containers, Blacknight Hollyhocks grow into tall, striking plants with deep, velvety purple-black flowers that attract pollinators and admiration alike.
Easy to sow and rewarding to grow, these seeds are part of a versatile collection perfect for expanding your home garden—whether you’re growing vegetables, herbs, fruits, or other flowers. Enjoy the therapeutic process of planting, nurturing, and watching your garden flourish. With Blacknight Hollyhock seeds, you’re not just adding beauty to your space—you’re embracing the joy of gardening and the satisfaction of growing something truly special from seed to bloom.

Life Cycle
Biennial/Perennial
Planting Season
Spring, Early Summer
Growth Habit
Tall, Upright
Flavor Profile
Not Applicable
Plant Characteristics
Large Dark Blooms
Use
Ornamental, Garden Borders
Growing Conditions
Well-Drained Soil, Full Sun
Harvest Advantages
Stunning Blooms, Low Maintenance
Plant Resistance
Deer Resistant, Drought Tolerant
Alcea rosea
Seed Names
Blacknight Hollyhock, Alcea rosea
Seed Type
Flower Seeds
Blacknight Hollyhock produces tall, dramatic plants with deep, dark purple to black flowers. A striking addition to gardens or borders, this perennial or biennial plant thrives in full sun and well-drained soil, offering a bold floral display with minimal care.
Light Requirement
Full Sun
Planting Depth
1/4 Inch
Sowing Method
Direct Sow or Indoors
Plant Spacing
18–24 Inches
Days to Maturity
90–120 Days
Soil Preparation
No Stratification
Hardiness Zones
3–9
Water Needs
Moderate Watering
Planting Season
Spring or Early Summer
Seed Count
Recommended Coverage
100
Up to 100 sq. ft.
500
Up to 500 sq. ft.
1000
Up to 1000 sq. ft.
Water Double White-Purple Desert Rose Flower plants when the top inch of soil feels dry. Avoid waterlogging en as it may harm the roots.
Typically en Double White-Purple Desert Rose Flower seeds germinate within 7 to 14 days under optimal temperature and moisture conditions.
A balanced en slow-release fertilizer applied once a month helps Double White-Purple Desert Rose Flower plants produce healthy blooms.
Double White-Purple Desert Rose Flower can be either annual or perennial depending on the variety en so check the specific seed packet for details.
Double White-Purple Desert Rose Flower plants can reach varying heights depending on the variety en usually between 1 to 3 feet when fully grown.
I absolutely love these Hollyhock seeds! They grew into stunning plants with dark, rich blooms that really stand out in my garden. Easy to plant, and they bloomed within a couple of months. Highly recommend!
I was worried these wouldn't grow in my climate, but they did so well! The flowers are gorgeous and add a nice, dramatic touch. Will be buying more next season.
These Hollyhocks are a beautiful addition to my garden. They did take a while to sprout, but once they did, they became strong and healthy. The flowers are darker than expected, and they look amazing!
The Blacknight Hollyhocks turned out better than I imagined! They were easy to grow, and the color of the flowers is just stunning. Perfect for adding height and elegance to your garden.
I had a bit of trouble getting these seeds to sprout, but after some patience, they eventually grew. The flowers are beautiful, though not as dark as the photos. Still a nice addition to my garden.