4′ O Clock, Mirabilis Jalapa Seeds (Yellow) (SUMMER)

4 O’ Clock (Mirabilis Jalapa) is a vibrant flowering plant that produces cheerful yellow blooms. These flowers open in the late afternoon, usually after 4 PM, filling gardens with color and a subtle fragrance. This variety is fast-growing, low-maintenance, and ideal for borders, pots, walkways, and home gardens. It blooms continuously throughout summer and attracts pollinators like bees and butterflies.

Key Features

• Botanical name: Mirabilis jalapa

• Common name: 4 O'Clock / Four O'Clock / گلِ عباسی

• Attractive bright yellow flowers

• Fragrant trumpet-shaped blooms

• Flowers open mainly in late afternoon and evening

• Bushy growth habit

• Approximate height: 60–90 cm

• Easy to grow from seed

• Suitable for pots, grow bags, borders and flower beds

• Full sun to partial sun

• Summer flowering plant

Recommended Grow Bags

G-12 Grow Bag – 12 × 12 inch 🔗

Recommended for one healthy 4 O'Clock plant.

G-24 Grow Bag – 24 × 12 inch 🔗

Suitable for growing several plants together for a bright yellow flowering display.

Recommended Soil / Potting Mix

Use:

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

The growing medium should be:

Loose, fertile and well-draining.

Avoid waterlogged or continuously wet soil.

Growing Instructions from Seeds

4 O'Clock can be grown by direct sowing or in seedling trays.

Sow seeds approximately:

0.5–1 cm deep

Keep the growing medium lightly moist until germination.

Once seedlings are established, transplant carefully into their final pots, grow bags or flower beds.

Germination

Seeds generally germinate within:

7–14 days

under suitable moisture and temperature conditions.

For better germination, seeds may be soaked in water overnight before sowing.

Plant Spacing

Maintain approximately:

30–45 cm / 12–18 inches between plants

to allow healthy bushy growth and good airflow.

Sunlight

Provide:

Full sun to partial sun

For stronger flowering, aim for approximately:

5–6+ hours of direct sunlight daily.

Watering

Water regularly while young plants are establishing.

After establishment:

Water when the upper soil layer begins to dry.

Avoid continuous waterlogging.

Feeding

At planting time, mix:

GREEN GARDENS Vermicompost 🔗

into the growing medium.

Avoid excessive nitrogen fertilizer, as too much nitrogen may encourage leafy growth instead of flowering.

Related Products

G-12 Grow Bag – 12 × 12 inch 🔗

G-24 Grow Bag – 24 × 12 inch 🔗

GREEN GARDENS Vermicompost 🔗

Summer Flower Seeds 🔗

Growing Guide Video – 4 O'Clock Mirabilis Jalapa 🔗