If you’re thinking about growing dill in your garden or even in a container on your windowsill, one of the first questions you might have is: How big does a dill plant get? Understanding the size and growth habits of dill can help you plan your garden space better and ensure you get the best harvest from this wonderfully fragrant and useful herb.
What Is Dill?
Dill (Anethum graveolens) is a popular herb known for its feathery green leaves and small yellow flowers. It’s widely used in cooking-especially with fish and pickles-and has a long history of medicinal uses. Dill is also a favorite among gardeners because it attracts beneficial insects like bees, butterflies, and hoverflies, making it a natural ally in the garden.
Typical Size of a Dill Plant
Height
Dill plants typically grow between 2 to 4 feet tall (about 60 to 120 cm), with some varieties reaching even taller heights. Most common garden dill varieties reach around 2 to 3 feet tall, but some can grow up to 5 feet under ideal conditions.
– Common dill usually grows around 3 feet tall.
– Elephant dill and Superdukat dill are among the taller varieties, reaching up to 4 or 5 feet.
– Compact varieties like Fernleaf dill or Compatto dill stay smaller, around 12 to 18 inches tall, making them perfect for container gardening or small spaces.
Spread
Dill plants spread about 1 to 2 feet wide (30 to 60 cm). This spread allows the plant to develop a bushy, airy shape with delicate, fern-like leaves. Proper spacing is important to ensure good airflow and healthy growth, especially when growing multiple plants in a garden bed or containers.
Growth Rate and Time to Full Size
Dill grows relatively quickly, reaching full size in about 70 to 90 days from seed. The growth rate depends on factors like soil quality, sunlight, water, and temperature. Dill prefers full sun and well-drained soil to thrive.
Factors Affecting Dill Size
Growing Conditions
– Sunlight: Dill needs at least 6 hours of direct sunlight daily. More sun leads to taller, healthier plants.
– Soil: Well-drained, moderately fertile soil is ideal. Overly rich soil can cause the plant to become too leggy.
– Water: Consistent moisture helps dill grow well, but avoid waterlogging.
– Temperature: Dill prefers cooler weather and can bolt (flower prematurely) in very hot conditions, which can affect its size and leaf production.
Container vs. Garden Growth
– Dill grown indoors or in containers tends to be smaller, often around 15 to 20 inches tall, depending on pot size and care.
– Outdoor garden dill usually reaches the full 2 to 4 feet height if given enough space and good growing conditions.
Pruning and Harvesting
Regularly harvesting dill leaves can encourage bushier growth and delay flowering, which helps maintain a more compact plant. Once dill starts to flower, it focuses energy on seed production, and leaf growth slows down.
Popular Dill Varieties and Their Sizes
Here are some common dill varieties and their typical mature sizes:
| Variety | Height | Spread | Notes |
|---|---|---|---|
| Common Dill | 3 feet (90 cm) | 1-2 feet | Tall, open growth |
| Bouquet Dill | 30 inches (76 cm) | Moderate | Good leaf and seed production |
| Elephant Dill | 3-4 feet (90-120 cm) | Wide | Larger, late blooming |
| Fernleaf Dill | 18 inches (45 cm) | Compact | Ideal for containers, slow to flower |
| Compatto Dill | 12-18 inches (30-45 cm) | Compact | Great for containers, flavorful |
| Superdukat Dill | 4.5-5 feet (135-150 cm) | Tall, uniform | Late blooming |
Choosing the right variety depends on your space and whether you want more leaves or seeds.
Tips for Growing Dill Successfully
– Space plants 12 to 24 inches apart to allow room for growth and airflow.
– Plant dill in full sun for best growth.
– Harvest leaves regularly to keep plants bushy and delay flowering.
– Use containers for smaller varieties if space is limited.
– Succession planting every few weeks can provide a continuous supply of fresh dill throughout the growing season.
Why Knowing Dill Size Matters
Understanding how big dill plants get helps you:
– Plan your garden layout effectively.
– Choose the right dill variety for your space.
– Know when to harvest for the best flavor and yield.
– Avoid overcrowding, which can lead to poor air circulation and disease.
Dill’s graceful height and delicate foliage make it a beautiful addition to any herb garden, while its size flexibility means it can fit into both large garden beds and small container spaces.
Dill is not only practical but also adds charm and attracts beneficial wildlife, making it a win-win for gardeners.
Growing dill is rewarding, and knowing how big it gets ensures you can enjoy its fresh, aromatic leaves all season long.
Dill plants typically grow between 2 to 4 feet tall, with a spread of about 1 to 2 feet, though compact varieties stay smaller, around 12 to 18 inches. Proper care and spacing help maximize growth and flavor.