Hollyhocks Seeds - Single Petal Tall | WINTER

Hollyhock (Alcea rosea) is a classic tall flowering plant famous for its:

Long upright flower spikes covered with large, open single flowers.

Unlike double Hollyhocks, this variety produces:

Simple, open single-petal blooms

which give the plant a more natural and traditional cottage-garden appearance.

Tall Hollyhocks are particularly useful where gardeners want to create:

Height, vertical structure and a colourful flowering backdrop.

Key Features

• Tall Single Hollyhock
• Botanical name: Alcea rosea
• Large single-petal flowers
• Tall upright flower spikes
• Classic cottage-garden plant
• Excellent winter-season flower
• Approximately 6–8 feet tall under suitable conditions
• Excellent for back borders
• Ideal along walls and fences
• Suitable for background planting
• Full-sun flowering plant
• Strong vertical garden feature
• Suitable for large grow bags
• Responds well to fertile soil
• May require support in windy locations
• Long flowering spikes
• Attractive ornamental foliage
• Can self-seed if mature seed heads are allowed to remain

Recommended Grow Bags

Because Tall Hollyhocks develop:

Strong stems, substantial top growth and a relatively deep root system,

larger grow bags are preferable to small containers.

G-12 Grow Bag – 12 × 12 inch 🔗

Can be used for:

One Hollyhock plant where regular watering, feeding and support are provided.

For stronger long-term growth, a larger grow bag is preferable.

G-20 F Black Grow Bag – 20 × 16 inch | 22 Gallon 🔗

Highly recommended for one strong Tall Hollyhock plant.

The larger growing volume provides:

• More root space
• Better moisture stability
• Better anchorage
• Improved nutrient availability
• Greater stability for a tall flowering plant

For unrestricted growth:

Open-ground planting is highly suitable.

Recommended Soil / Potting Mix

Use:

60% Bhalu Mitti / Sandy Soil + 30% GREEN GARDENS Vermicompost 🔗 + 10% Cocopeat

Hollyhocks prefer soil that is:

Fertile, loose, moisture-retentive and well-draining.

Avoid:

• Permanently waterlogged soil
• Very compact soil
• Containers without proper drainage
• Excessive nitrogen fertilizer

Healthy fertile soil encourages:

Strong stems, vigorous foliage and better flowering.

Growing Instructions from Seeds

Hollyhock seeds can be started in:

• Nursery trays
• Individual nursery pots
• Seedling cells
• Large grow bags
• Prepared garden beds

Place seeds on the prepared growing medium and:

Cover only very lightly with fine soil or vermiculite.

A sowing depth of approximately:

2–5 mm

is sufficient.

Do not bury the seeds deeply.

Light is beneficial during Hollyhock seed germination.

Water gently after sowing and maintain:

Consistent light moisture without waterlogging.

Important Sowing Note

Hollyhock seeds benefit from:

Light during germination.

Therefore:

Do not cover seeds with a thick layer of soil.

Press them gently into the growing medium and apply only a:

Very fine covering of soil or vermiculite.

Germination

Seeds generally germinate within approximately:

14–21 days

under suitable conditions.

Germination may be slower when:

• Temperatures are too low
• Seeds are buried too deeply
• Growing medium dries excessively
• Seed-starting medium remains waterlogged

Maintain:

• Consistent moisture
• Good airflow
• Bright conditions
• Suitable temperature

Ideal Germination Temperature

Recommended germination temperature:

15°C–20°C

This cool-to-moderate temperature range is suitable for Hollyhock seed germination.

After seedlings emerge:

Provide bright light and gradually increase direct sunlight exposure.

Transplanting

Hollyhocks develop a strong root system and generally perform best when:

Root disturbance is kept to a minimum.

Transplant seedlings when they are:

Healthy and carrying several true leaves.

Before transplanting:

• Prepare the final planting location
• Water seedlings lightly
• Handle the root ball carefully
• Avoid breaking the developing roots
• Gradually acclimatise seedlings to outdoor sunlight

Transplant preferably:

During the late afternoon.

Water thoroughly after transplanting.

Plant Spacing

Maintain approximately:

45–60 cm / 18–24 inches between plants.

Adequate spacing is especially important for Hollyhocks because it provides:

• Better airflow
• Space for large leaves
• Better sunlight exposure
• Easier plant support
• Reduced overcrowding
• Stronger flowering spikes

For permanent beds:

Avoid planting tall Hollyhocks too closely together.

Sunlight

Provide:

Full sun.

For strong growth and abundant flowering:

6+ hours of direct sunlight daily is recommended.

Full sunlight encourages:

• Stronger stems
• Better flower production
• Taller flowering spikes
• Healthier plants

A position sheltered from strong wind is particularly useful because mature flowering stems can become very tall. Hollyhocks prefer fertile, well-drained soil in full sun and benefit from wind protection.

Watering

During germination:

Keep the growing medium consistently but lightly moist.

During early establishment:

Water regularly without saturating the soil.

Once established:

Water deeply when the upper soil layer begins to dry.

Avoid repeatedly wetting the foliage unnecessarily.

Water preferably:

At soil level around the root zone.

Good airflow combined with sensible watering helps maintain healthier foliage.

Feeding

At planting time, mix a moderate quantity of:

GREEN GARDENS Vermicompost 🔗

into the growing medium.

During active growth:

Lightly top-dress with Vermicompost when required.

Avoid excessive high-nitrogen feeding.

Too much nitrogen may encourage:

Very tall, soft vegetative growth with weaker stems and reduced flowering quality.

Plant Height & Growth Habit

Tall Single Hollyhocks develop:

Strong, upright flowering stems with large leaves around the lower portion of the plant.

Under suitable growing conditions, plants can reach approximately:

1.8–2.4 metres / 6–8 feet tall.

Actual plant height depends on:

• Variety
• Soil fertility
• Sunlight
• Nutrition
• Plant spacing
• Temperature
• Water availability

The tall growth makes Hollyhock particularly useful as a:

Background or back-border flowering plant.

Flower Form

This variety produces:

Single-petal Hollyhock flowers.

Single Hollyhock blooms have a:

Simple, open and elegant flower form

rather than the dense powder-puff appearance found in double varieties.

The open flowers are arranged progressively along:

Tall vertical flower spikes.

Flower Colours

The exact flower colours depend on the supplied seed strain.

Tall Hollyhocks are commonly available in a range of classic shades that may include:

Pink, Rose, Red, White, Yellow, Maroon and related tones.

Because individual seed strains may vary:

Exact flower colour should be confirmed from the supplied seed batch or product image where applicable.

Flowering

For Lahore and similar hot plains, autumn-sown Hollyhocks generally develop during:

Winter

and produce their main flowering display during:

Late winter to spring.

Flowering time depends on:

• Sowing date
• Plant maturity
• Temperature
• Sunlight
• Nutrition
• Watering
• Overall plant health

Healthy plants can produce:

Multiple flowers progressively along tall flower spikes.

Support / Staking

Because this is a:

Tall Hollyhock variety

plants may require support, particularly when grown:

• On rooftops
• In exposed locations
• Near open fields
• In containers
• Where strong winds are common

Use:

A strong bamboo cane, stake or suitable plant support.

Tie the stem loosely using soft material.

Do not tie tightly around the stem.

Related Products

G-12 Grow Bag – 12 × 12 inch 🔗

G-20 F Black Grow Bag – 20 × 16 inch | 22 Gallon 🔗

G-20 F Green Grow Bag – 20 × 16 inch | 22 Gallon 🔗

GREEN GARDENS Vermicompost 🔗

Winter Flower Seeds 🔗