Mirabilis jalapa Seeds , Marvel of Peru Four O'Clock Flowers for Ornamental Gardens

Marvel of Peru (Mirabilis jalapa), commonly known as Four O'Clock Flower, is an attractive ornamental flowering plant belonging to the Nyctaginaceae family. This distinctive species is recognized for its colorful trumpet-shaped flowers, broad green foliage, bushy branching growth habit, and unusual tendency to open its blossoms during the late afternoon or early evening.

Four O'Clock flowers are popular for ornamental gardens, cottage-style flower borders, evening gardens, patio landscapes, and outdoor container plantings. Their colorful blossoms and distinctive flowering schedule make them particularly interesting for gardeners who enjoy seasonal flowers during the later hours of the day.

Mirabilis jalapa is native to a region extending from Mexico to Nicaragua. Although commonly called Marvel of Peru, its accepted native distribution is centered in Mexico and Central America. The Royal Botanic Gardens, Kew, recognizes the species as an accepted perennial flowering plant that primarily grows in subtropical environments.

One of the most recognizable characteristics of Four O'Clock is its late-day flowering behavior. The blossoms commonly begin opening during the late afternoon, often remaining open into the evening or nighttime hours. Cloudy weather may also encourage flowers to open earlier.

The plant produces attractive funnel-shaped or trumpet-shaped flowers in a variety of possible colors. These include pink, red, yellow, white, magenta, purple, and combinations of different shades. Certain varieties may develop striped, spotted, or multicolored blossoms, sometimes with different flower colors appearing on the same plant.

The exact flower colors depend on the individual seed variety and genetic characteristics. Because the supplied product information does not identify a specific flower color, the listing does not guarantee a particular shade or mixed-color combination.

The foliage consists of broad green leaves that are generally ovate to somewhat heart-shaped, with pointed tips and smooth margins. These leaves grow in opposite pairs along the stems, creating an attractive leafy background for the flowers.

Four O'Clock develops a bushy, branching habit, with numerous stems spreading outward from the plant's central growth. Mature plants commonly reach approximately 45–120 cm (18–48 inches) in height, depending on growing conditions, available sunlight, and climate.

The species is a tender perennial in suitable warm climates. In regions where winter temperatures fall below freezing, Four O'Clock is frequently cultivated as an annual flowering plant.

As plants mature, they develop thickened underground storage roots. These tuberous roots may support new seasonal growth when temperatures remain sufficiently mild.

Four O'Clock blossoms are often fragrant, particularly during the evening. Their late-opening flowers may attract moths and other flower-visiting animals, making the species an interesting choice for managed evening pollinator gardens.

Following flowering, the plant produces distinctive dark, ribbed seed-bearing fruits. These structures are generally black at maturity and can fall naturally into surrounding garden soil, where they may germinate under favorable conditions.

Four O'Clock generally performs best in full sunlight, although partial shade is tolerated. It prefers reasonably fertile, well-drained soil and regular moisture during establishment. Established plants can tolerate occasional dry periods.

North Carolina State University Extension describes Four O'Clock as a branching perennial that can also be cultivated as an annual. It identifies full sun as the preferred exposure, notes its tolerance of partial shade, and recommends overnight seed soaking as an optional method of encouraging germination.

This product is intended for ornamental flower garden planting. The original product information specifies 10 seeds per packet.

• Ornamental Flower Seeds: Four O'Clock seeds intended for garden planting and outdoor flowering displays.

• Botanical Name: Mirabilis jalapa, an accepted species belonging to the Nyctaginaceae family.

• Common Names: Also known as Marvel of Peru and Four O'Clock Flower.

• Seed Quantity: 10 seeds per packet, according to the original product information.

• Late-Afternoon Flowering: Blossoms commonly open during the late afternoon or early evening.

• Colorful Trumpet-Shaped Flowers: Produces distinctive tubular flowers with broad, flared openings.

• Multiple Possible Flower Colors: Species varieties include pink, red, yellow, white, magenta, purple, and patterned flowers.

• Evening Fragrance: Flowers may release a noticeable fragrance during evening hours.

• Bushy Branching Habit: Develops multiple stems and abundant green foliage.

• Opposite Green Leaves: Produces broad, pointed leaves arranged in pairs.

• Tender Perennial Growth: Established plants can return during successive growing seasons in suitable climates.

• Annual Garden Cultivation: Frequently grown as an annual in frost-prone regions.

• Tuberous Underground Roots: Develops thickened storage roots capable of supporting seasonal regrowth.

• Full Sun Preference: Generally grows best in bright outdoor planting areas.

• Partial Shade Tolerance: Can be cultivated in locations receiving several hours of sunlight.

• Evening Pollinator Interest: Flowers may attract moths and other flower-visiting animals.

• Ornamental Garden Versatility: Suitable for cottage gardens, flower borders, patio displays, and large containers.

• Distinctive Dark Fruits: Produces rounded, ribbed seed-bearing structures that become black at maturity.

Foliage and Appearance

Four O'Clock develops attractive green foliage consisting of broad, simple leaves.

The leaves are generally ovate to somewhat heart-shaped, with pointed tips and smooth margins.

They occur in opposite pairs along the stems.

Young plants initially produce small green leaves before developing a more extensive branching structure.

As the growing season progresses, the foliage becomes fuller and supports numerous flowering branches.

The leaf blades generally have a relatively smooth surface with visible veins.

The broad green foliage creates an attractive contrast with the colorful trumpet-shaped flowers.

Stem and Branch Characteristics

Mirabilis jalapa develops upright, branching herbaceous stems.

The stems are generally green but may develop reddish or purplish coloration.

Additional branches form as the plant matures, creating a rounded or spreading appearance.

The stems support opposite leaves and clusters of developing flower buds.

Mature plants may produce numerous flowering branches during favorable growing conditions.

In warm climates, established underground roots may support new above-ground growth during subsequent seasons.

Flower Characteristics

Four O'Clock produces colorful trumpet-shaped or funnel-shaped blossoms.

The showy portion of each flower is formed by a petal-like perianth rather than separate conventional petals.

Each flower has a narrow tubular base and a broadly flared opening.

Possible flower colors include pink, magenta, red, yellow, white, purple, and combinations of these shades.

Some varieties produce striped, spotted, or differently colored flowers.

Individual blossoms commonly measure approximately 2.5–5 cm across, depending on plant genetics and growing conditions.

The flowers generally develop in small clusters near the ends of branches.

Flower buds commonly open during the late afternoon or early evening.

Cloudy conditions may encourage earlier opening, while warm, bright weather can influence the timing.

The flowers do not necessarily open at exactly 4:00 PM.

Seed and Fruit Characteristics

Following flowering, Four O'Clock develops distinctive dark seed-bearing fruits.

These structures are generally rounded to oval.

Mature fruits are typically black or very dark brown.

Their surfaces have prominent ribs and may appear slightly rough or wrinkled.

Botanically, the seed-bearing structure is an anthocarp, a fruit enclosed by persistent floral tissue.

Mature fruits can fall naturally from the plant.

Under favorable conditions, fallen seeds may germinate and establish additional plants.

Removing mature fruits helps reduce unwanted self-seeding in managed ornamental gardens.

Root Characteristics

Four O'Clock develops thickened underground storage roots as the plant matures.

These roots can support seasonal regrowth in suitable warm climates.

Established plants may produce new shoots from their underground structures during subsequent growing seasons.

In regions experiencing freezing temperatures, the roots may be damaged during winter.

Gardeners sometimes lift established tuberous roots and store them in protected conditions until warm weather returns.

These roots are not edible garden tubers and should not be consumed.

Growth Habit

Four O'Clock is a bushy, branching ornamental flowering plant.

Mature plants commonly reach approximately 45–120 cm (18–48 inches) in height.

Their spread generally ranges from approximately 30–60 cm (12–24 inches), although vigorous specimens may grow wider.

The plant develops multiple leafy branches, creating a rounded appearance.

Its growth habit makes it suitable for flower borders, garden beds, and large outdoor containers.

Seasonal Development

Four O'Clock seeds germinate when suitable warmth and soil moisture are available.

Young seedlings develop small green leaves and begin establishing their roots.

As plants mature, additional stems and branches develop.

Flower buds form near the upper portions of the branches.

Colorful blossoms open during late afternoon, evening, or suitable cloudy conditions.

Following flowering, dark ribbed fruits develop.

In favorable warm climates, mature plants may continue flowering for an extended period.

Established underground storage roots may support regrowth during subsequent seasons.

In frost-prone climates, Four O'Clock is commonly cultivated as a seasonal annual.

Pollinator and Botanical Interest

Four O'Clock flowers may attract moths and other flower-visiting animals.

Their late-opening habit makes them useful for observing how different flowering species interact with pollinators throughout the day.

North Carolina State University Extension identifies moths and hummingbirds among the animals attracted to Four O'Clock flowers.

The species also offers botanical interest through its variable flower colors, specialized perianth structure, opposite foliage, thickened roots, and dark ribbed fruits.

Sunlight Requirements

Four O'Clock generally performs best in full sun.

Choose a garden location receiving approximately six or more hours of direct sunlight daily.

Partial shade is tolerated, particularly in warmer regions.

Adequate sunlight supports healthy branching and flowering.

Deep shade may reduce flower production.

Soil Requirements

Mirabilis jalapa grows in a range of garden soil types.

Loamy and sandy soils with suitable drainage are appropriate.

The plant generally prefers reasonably fertile soil that retains moderate moisture.

Adding well-decomposed organic matter can help improve soil structure where necessary.

Avoid severely compacted growing areas.

For container cultivation, use a well-draining potting mixture and pots with drainage holes.

Watering Considerations

Maintain gentle, consistent moisture during seed germination.

Young plants benefit from regular watering while their roots establish.

Established plants can tolerate occasional dry conditions.

Moderate moisture supports continued foliage development and flowering.

Additional watering may be necessary during prolonged hot or dry weather.

Avoid continuously waterlogged growing conditions.

Temperature and Climate

Four O'Clock is a warm-season flowering plant.

Seeds generally germinate more readily in warm soil.

The species can grow as a perennial where winters are sufficiently mild.

In regions with freezing winter conditions, it is commonly cultivated as an annual.

Established underground roots may survive mild winters but can be damaged by significant frost.

Garden Placement

Choose a sunny ornamental flower border, cottage-style garden, patio planting area, evening garden, or spacious outdoor container.

Place plants where their late-afternoon and evening blossoms can be appreciated.

Provide sufficient space for mature branching growth.

Because the species may self-seed, select a planting area where volunteer seedlings can be managed.

1. Choose the Sowing Season: Sow during spring after the danger of frost has passed, or during a suitable warm growing season in frost-free regions.

2. Select a Sunny Location: Choose full sun or light partial shade.

3. Prepare the Garden Soil: Loosen the upper soil layer to support seedling establishment.

4. Improve Drainage: Ensure the planting area drains adequately.

5. Consider Indoor Seed Starting: Start seeds in containers before the outdoor growing season when appropriate.

6. Choose Suitable Containers: Select seed trays or small pots with drainage holes.

7. Prepare the Growing Medium: Use a clean, well-drained seed-starting mixture.

8. Moisten the Medium: Water lightly before sowing.

9. Inspect the Seeds: Four O'Clock seeds have relatively firm outer coverings.

10. Consider Overnight Soaking: Soak seeds in room-temperature water overnight to help soften their coverings.

11. Avoid Prolonged Soaking: Do not leave seeds submerged for excessive periods.

12. Sow at a Suitable Depth: Plant seeds approximately 1–1.5 cm (around ½ inch) deep.

13. Cover with Growing Medium: Gently cover the seeds with soil.

14. Water Carefully: Moisten the growing medium without displacing the seeds.

15. Maintain Warm Conditions: A temperature of approximately 20–25°C (68–77°F) is a practical starting range for germination.

16. Maintain Consistent Moisture: Keep the growing medium gently moist without saturation.

17. Monitor Germination: Seedlings may emerge within approximately 7–14 days under favorable conditions, although actual timing varies.

18. Provide Adequate Light: Place emerging seedlings in a bright growing environment.

19. Observe True Leaf Development: Allow young seedlings to develop their true leaves.

20. Thin Overcrowded Seedlings: Remove excess seedlings where necessary.

21. Support Root Development: Maintain moderate moisture while the roots establish.

22. Transplant into Individual Pots: Move established seedlings when additional growing space is needed.

23. Acclimate Seedlings Outdoors: Gradually introduce indoor-grown plants to outdoor sunlight, wind, and temperature conditions.

24. Prepare the Final Garden Bed: Choose reasonably fertile, well-drained soil.

25. Allow Suitable Spacing: Space plants approximately 30–60 cm (12–24 inches) apart.

26. Transplant Carefully: Position seedlings at approximately the same depth as they grew in their containers.

27. Water After Planting: Provide moderate watering to support establishment.

28. Monitor Branching Growth: Observe the development of green foliage and flowering stems.

29. Observe Flowering: Look for trumpet-shaped blossoms opening during the late afternoon or evening.

30. Manage Seed Formation: Remove mature fruits where unwanted self-seeding is a concern.

31. Maintain Seasonal Plants: Established plants may regrow from underground storage roots in suitable climates.

Seed propagation note: Four O'Clock can be propagated through seeds or established underground roots. Overnight soaking may help soften the seeds' firm outer coverings and encourage germination. North Carolina State University Extension recommends soaking the seeds overnight to speed germination.

Cottage-Style Flower Gardens

Four O'Clock produces colorful trumpet-shaped blossoms that complement traditional cottage garden arrangements.

Evening Flower Gardens

Its late-opening flowers make it particularly suitable for gardens enjoyed during the afternoon and evening.

Patio Flower Displays

Four O'Clock can be cultivated in spacious outdoor containers placed near patio areas.

Mixed Ornamental Borders

Its broad green foliage and colorful blossoms complement managed mixed flower beds.

Outdoor Container Gardens

Large pots with adequate drainage can accommodate its bushy growth and developing root system.

Pollinator Observation Gardens

Evening-opening blossoms may attract moths and other visiting pollinators.

Warm-Season Flower Displays

Four O'Clock provides seasonal ornamental interest through its colorful flowers and branching foliage.

Botanical Education Gardens

The species offers opportunities to observe specialized flower structures, evening flower opening, and dark ribbed fruits.

Warm-Climate Perennial Gardens

In suitable frost-free regions, established plants may return during subsequent growing seasons.

Decorative Garden Borders

Four O'Clock can be planted along paths, garden edges, and defined ornamental flower beds.

• Choose a sunny or partially shaded planting location.

• Provide reasonably fertile, well-drained soil.

• Maintain gentle moisture during seed germination.

• Consider overnight seed soaking before sowing.

• Avoid excessively deep seed placement.

• Keep young seedlings in warm growing conditions.

• Provide sufficient sunlight for healthy flowering.

• Thin overcrowded seedlings when necessary.

• Allow suitable spacing between mature plants.

• Water regularly during establishment.

• Maintain moderate moisture during extended dry periods.

• Avoid continuously saturated soil.

• Monitor developing flower buds and blossoms.

• Remove damaged or declining stems when needed.

• Remove mature fruits to limit unwanted self-seeding.

• Monitor surrounding soil for volunteer seedlings.

• Protect plants from freezing temperatures where practical.

• Consider storing mature tuberous roots in protected conditions during winter in frost-prone regions.

• Wear gloves when handling roots or other plant material.

• Keep seeds and roots away from children and pets.

• Avoid consuming planting seeds, roots, or other plant parts.

• Review regional planting guidance before introducing the species into unmanaged habitats.

Four O'Clock (Mirabilis jalapa) is an ornamental flowering plant recognized for its colorful trumpet-shaped blossoms, late-afternoon flowering behavior, broad green foliage, and branching growth habit. These characteristics make it suitable for cottage-style gardens, evening garden displays, decorative flower borders, and spacious outdoor containers.

Botanical identification: Mirabilis jalapa is an accepted flowering species belonging to the Nyctaginaceae family. The Royal Botanic Gardens, Kew, confirms its accepted taxonomic status and identifies it as a perennial species primarily associated with subtropical environments.

Common names: The species is commonly known as Four O'Clock, Marvel of Peru, and Four-O'Clock Flower. These names reflect its traditional horticultural identity and distinctive flowering schedule.

Native distribution: The accepted native range extends from Mexico to Nicaragua. Although the plant is commonly known as Marvel of Peru, the name does not establish Peru as its native origin according to Kew's current distribution assessment.

Flower opening behavior: Four O'Clock blossoms generally open during late afternoon or early evening. Cloudy weather can encourage earlier opening. Individual flowers do not necessarily open at exactly 4:00 PM.

Flower color variation: The species includes plants with pink, red, yellow, white, magenta, purple, and patterned flowers. Actual colors depend on the genetic characteristics of the seeds. This packet has not been identified as containing a particular flower color or combination.

Flower structure: The showy blossoms consist of a colorful, tubular perianth with a flared opening. Flowers are often fragrant during the evening.

Perennial growth characteristics: Four O'Clock is a tender perennial that develops thickened underground roots. These storage structures may support seasonal regrowth where winter conditions are sufficiently mild.

Annual cultivation: In areas experiencing freezing winter temperatures, the plant is frequently grown as an annual. Established tuberous roots may be lifted before severe frost and stored in protected conditions for future planting.

Seed germination: Four O'Clock seeds have a relatively firm outer covering. Overnight soaking can help soften this covering and may encourage faster germination. North Carolina State University Extension recommends this optional pretreatment.

Sunlight requirements: Four O'Clock generally performs best in full sun, although partial shade is tolerated. Flower production varies with available sunlight, plant maturity, and environmental conditions.

Soil and moisture requirements: The species grows in a range of soils but generally prefers reasonably fertile, well-drained conditions. Regular moisture supports seed germination and early establishment, while mature plants can tolerate occasional dry periods.

Mature plant size: North Carolina State University Extension identifies a typical mature height of approximately 18 inches to 4 feet and a width of approximately 12–24 inches. Actual plant size depends on genetics and growing conditions.

Tuberous root development: Established plants produce thickened storage roots. These underground structures can become substantial with age and may support regrowth during successive warm growing seasons.

Pollinator observation: Four O'Clock flowers may attract moths and other visiting animals. Their late-opening habit provides an opportunity to observe flowering and pollination activity during the evening.

Self-seeding and garden management: Four O'Clock can establish volunteer seedlings when mature fruits fall into suitable soil. Removing mature seed-bearing fruits and unwanted seedlings helps maintain the intended planting arrangement.

Plant toxicity and handling precautions: North Carolina State University Extension identifies Four O'Clock as having low-severity poisonous characteristics. Seeds and roots can cause adverse symptoms if ingested, including gastrointestinal discomfort, while handling the roots may cause skin irritation in sensitive individuals. Wear gloves when handling roots and keep seeds and plant material away from children and pets.

Regional planting considerations: Four O'Clock is widely cultivated and has become naturalized outside its native distribution. Review local planting guidance and prevent unwanted spread into unmanaged natural habitats.

Seed packet quantity: The original product information identifies this packet as containing 10 seeds. The number of seedlings and established plants depends on seed viability, temperature, moisture, and growing conditions.

Organic designation: The supplied product information does not specify organic status or certification. No organic certification claim is made.

Intended use: These seeds are intended for ornamental flower gardening and botanical cultivation. Seeds, roots, and other plant material are not intended for direct consumption. This listing does not make medicinal, therapeutic, dietary supplement, or pest-control claims.

Natural variation: Mature height, flower coloration, flowering time, branching habit, fragrance, seed production, and perennial survival may vary according to plant genetics, local climate, soil characteristics, sunlight, and moisture.

This listing describes Mirabilis jalapa for ornamental gardens, cottage-style flower borders, evening displays, patio plantings, and botanical cultivation, with appropriate attention to seed production, self-seeding, and plant safety.