3. The 15 weeks of chilling will usually take you into March, which is when daylight hours are increasing and ambient temperatures start to warm. This allows the corm to develop a root system before going dormant. They’re good to go under deciduous trees, where they’ll get enough sunlight before most trees have fully leafed out. Spring-blooming crocuses should be planted in the early fall. Temperate Europe and Asia. Purpureus Grandiflorus or purple crocus, a crocus variety with an abundance of violet and purple shades. It is not uncommon to see crocus arise from the snow, but without the right amount of sunlight, the plant will fail to bloom. Where, When, and How to Plant Crocus Flower The jewel-like tones of Crocus flowers are just one of the many reasons why these plants are loved by gardeners. Read the label to see how deep to plant your crocus – This may vary for different varieties of bulbs. Crocus prefer full sun to partial shade and gritty, well-drained soil, sandy loam with composted organic matter. By: Bonnie L. Grant, Certified Urban Agriculturist. In order to get the cheery flowers, you have to plant some corms at the right time of the year. The spring flowering species … For fall-blooming Saffron crocus, plant in late August or September. Ideally, the best time to plant a crocus is 6 to 8 weeks before the first expected frost. Crocus requires a minimum of 15 weeks of chilling to break dormancy. Any plant that can bloom through snow is a true winner. Tip – Plant Crocus corms in drifts in grassy areas or around other plants for a naturalistic look. How to Keep Your Garden Looking Fabulous All Winter Long. Then bring the plant indoors before the first frost, and watch the blooms brighten up your living space within a few weeks. Flowering mainly in late winter to early spring, many crocuses are good in borders or seasonal containers while others are best in a rock garden or alpine house. Corms are very similar to bulbs, but corms are specialised sections of the stem. Click here to browse or search the plants in this database. Just make sure your indoor plant gets plenty of sunlight, or use a grow light during the day. Crocuses are the first bright surprise in early spring, painting the landscape in jewel tones. This is usually during September and October in the northern U.S. and Canada, and October and November in the southern United States. It would seem that as long as they get in the ground they will grow when it is time, but actually bulbs, tubers and corms require certain conditions to break dormancy. The bulbs (corms) don't store well and should be planted soon after you receive them. Crocus speciosus ‘Albus’ RHS AGM – an all white form of this autumn flowering species. Plant bulbs as soon as possible after receiving them. Sign up to get all the latest gardening tips! Spring-flowering plants have a long floral tube that If soil has too much clay, amend it with bark, leaf litter or compost. Plant the corms around 4 inches deep in gritty, well-drained soil. Plan to plant your crocus bulbs when the ground is consistently below 60 °F (16 °C) in the fall. 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Plant Type: Perennial flower Light: Full sun Water: Give the crocus flower well-drained potting soil.Keep them dryer in the summer and water them a little more in the fall. Choose a sunny location with well-draining soil for crocus bulb growing. Giant Dutch crocus, one of the biggest varieties of crocus which can reach up to 2-4 inches tall. Depth and Spacing: Crocus look best when they are planted in groups of 3 to 9 bulbs.Space them 3" apart on center and plant 3” deep. Tip – Plant Crocus corms in drifts in … The best time to plant autumn-flowering Crocu s is late July to September. Your email address will not be published. August is the best time to plant in colder locations (zones 3-6). Cover with the soil and wait until spring! How to plant crocuses in your garden: Wait until the soil is 60 degrees Fahrenheit or colder. Plant them 3-4 inches deep and 2-3 inches apart making sure the pointed side of the bulb faces up. bloom in the fall, winter or spring, depending on the variety, in hues of purple, white, yellow, blue and bi-colored. Take the temperature of your soil and ensure that it will stay below 60 degrees for 12 weeks or think about planting your crocus in pots. The bulbs are small and rounded, with slight pointed tops - plant with the points facing upwards. Where to plant Crocus bulbs. Roots will form in the autumn. Plant the crocus bulbs 6-8 weeks before your last frost date in the fall. … Crocus corms will not bloom if the photo period is not long enough to provide solar energy. How to plant: Plant Crocus corms around 4 inches deep in gritty, well-drained soil. Crocuses are most often planted for early spring color, though there are also varieties that bloom in late fall and early winter. Plant in late summer to flower in September/October To plant from corms, plant in the fall about 2.5 inches deep and 2 inches apart, 35 to 70 corms per square foot. This allows the corm to develop a root system before going dormant. How to Grow Crocus Sativus. How to Plant a Crocus in a Lawn. The chilling period gives the corm the clue that it is not time to grow up through the soil. Crocus sativus, commonly known as saffron crocus, is a delicate-looking lavender plant that produces sought-after stigmas. The best time to plant autumn-flowering Crocus is late July to September. It will not grow in full shade. Ideally, plant crocus corms 6 to 8 weeks before a hard frost is expected and when the soil temperature is below 60°F (16°C). You can plant them in the lawn, but for proper crocus care, don’t cut the grass until their leaves turn yellow and disappear. Determine planting depth of Crocus bulbs, typically 2" to 3" Space bulbs 3 inches apart for smaller varieties and 6 to 10 inches apart for larger varieties How to Grow Fall Flowering Crocus Throughout the Season Since Autumn Crocus and Spring Crocus bloom during different seasons in the year, these corms need to be planted at their correct times. Crocus (Crocus spp.) Crocus bulbs can be purchased and planted in the late summer through to late autumn for spring blooming. The appearance of corms differs from bulbs as corms tend to have a flattened shape. HOW TO PLANT CROCUS. Plant your crocus corms in the fall when your soil has cooled off & the temperature is between 40 to 50 degrees Fahrenheit. Since crocus is considered a spring bloomer, you need to plant corms in late summer to early fall. Planting times for crocus differ from other species. These plants are perfect for pots and borders and will flower from September into November. For autumn blooming crocuses, plant bulbs in late summer. Pick a spot in your garden that has well-draining soil and gets full sun or partial shade. Set out dormant bulbs from late summer to early winter, planting them 3in (8cm) deep. In the garden these bulbs can be planted in the rock garden, in clumps in the border, naturalized into lawns or grown in containers. Dig trenches 5 inches deep and plant corms with the flat side down and 1 to 2 inches apart. As the spring flowering species flower early, they are great for planting beneath deciduous trees where they will flower before the tree puts on new foliage. How to Plant Your Crocus Bulbs. Discover exactly when and how to plant Crocus corms and fill your garden with stunning Crocus flowers for most of the year. Autumn crocus add a rainbow of colour to the garden as summer flowers start to fade, and Spring Crocus are one of the earliest plants to flower in late Winter. Don’t plant in dense shade, such as on the north side of structures. Even if you live in Zones 5 and below, go ahead and plant saffron crocuses outdoors in a pot at the beginning of August. Required fields are marked *. You should plant crocus around 3 inches separated and ensure the bunch contains 10 to 12 corms. Plant the corms about 4 inches deep and 2 to 4 inches apart with the pointed end up. Crocus. Planting: Plant fall flowering crocus bulbs (corms) in late summer or early fall. Hundreds of flowers are needed to create even just a tiny amount of Saffron, but the flowers look beautiful even if you don't plan to … Crocus can be grown in all but the tropical and dry arid areas, they do grow well in the temperate or Mediterranean type climates. Sandy soils will require some organic amendment to enhance nutrient content. Plant them in the open rather than the shade (unless you live in the South) because crocuses like plenty of sunshine. If you live in a warmer climate simply keep your bulbs in the refrigerator until late winter and then plant them out as annuals. Sow and Plant. Save my name, email, and website in this browser for the next time I comment. Spring-flowering bulbs should be planted from early autumn, so they have time to produce new roots before the onset of winter. First, dig a hole in your desired area that is two to three times the depth of your bulb. Here are some of our favourite Autumn Crocus varieties: Spring Crocus bloom from late February into spring, so the best time to get these corms planted is September-November, just before the ground freezes in Winter. Here are some of our favourite Spring Crocus varieties: Your email address will not be published. In the North this will be in September or October, in the South in October or November. How to Plant Fall Flowering Crocus. All this signals bloom to the plant and points to the best time to plant a crocus. In North America, this is typically in September or October in … This is important to prevent the corms from sitting in a bog and rotting. The best time when to plant crocus is early in autumn, as soon as you can buy them. If the ground is dry when you're planting make sure to water it well, but don't let it stay soggy or the bulbs could rot. Sign up for our newsletter. Therefore, planting times for crocus must include this factor in addition to the chilling period. Make sure to plant Saffron Crocus bulbs at least 6 weeks before chance of frost. Robust types provide drifts of colour in lawns and underneath deciduous trees. Read on for important crocus planting tips. After planting, water your bulbs well, thoroughly soaking the area. Crocus: Plant Care and Collection of Varieties. To plant your bulbs, you should follow these easy steps. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Ideally, the best time to plant a crocus is 6 to 8 weeks before the first expected frost. Crocus es un género de plantas bulbosas perennes perteneciente a la familia Iridaceae.Con más de 80 especies, el género está ampliamente distribuido en África del Norte, Asia y … When to Plant: Plant crocus bulbs in the fall, once the weather has cooled down and before the ground has frozen.For best results, plant the bulbs within a month after receiving them. Plant in any sunny or partly shaded position in cool, moist, humus-rich soil. Plant with the pointed tip facing upwards, cover with soil, and water once done. Where to plant: Crocus corms can be planted just about anywhere as long as they get full to partial sun and well-drained soil. Plant spring-flowering bulbs, such as daffodils, crocus and hyacinths, preferably by the end of September Plant tulips in November Plant hardy summer-flowering bulbs, such as lilies, alliums and crocosmia, in September and October The process is called vernalization, and most plants undergo some form of it during the cold season; however, some plants don’t even need it to sprout. Dig holes and plant the crocus bulbs 3-4" deep and 2-3" apart. The biggest reason why crocus flowers don’t do well is overwatering. Pickwick, a striped variety of crocus that blooms in early summer with its lilac and purple flowers. Crocus, genus of about 75 low-growing cormose species of plants of the iris family (Iridaceae). The plant will not emerge if it doesn’t get this combination of correct conditions. A sure sign of spring, crocuses have low-growing, colorful, cup-shaped flowers that are a welcome sight in garden beds and lawns. Plant your corms before the first frost! Interestingly, most plants not only need vernalization but they need increased photo hours to sprout. By utilizing a trowel, burrow little openings and plant the corms around 3 to 4 inches down. Scientific Name: Crocus spp., mainly C. chrysanthus, C. flavus, C. sieberi, C. tommasinianus and C. vernus. Crocuses are native to the Alps, southern Europe, and the Mediterranean area and are widely grown for their cuplike blooms in early spring or fall. This prevents early tender shoots from getting zapped by freezing temperatures. Plant the corms around 4 inches deep in gritty, well-drained soil. It suits light shade or can be planted under deciduous shrubs. Sometimes it … Planting Saffron crocus bulbs can be planting in late summer, fall © Jackie Bale / Getty Images. Satisfying the chilling and photo-period requirements are important for crocus bulb growing but so is the actual planting. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Pre-winter is the best season for developing corms and ensures water it regularly during this season. Since Autumn Crocus and Spring Crocus bloom during different seasons in the year, these corms need to be planted at their correct times. The planting time for bulbs varies broadly according to their flowering time. Notes We have 772 images of 568 crocus in our Crocus database. When planting crocus bulbs, make sure the bulbs are planted in full sun to light (dappled) shade. Avoid heavy clay. Search our blog for tips, tutorials and the top varieties of the season. Bulbs should be planted 4 in (10 cm) apart or in widely spaced groups of more crowded bulbs. When To Plant Crocus Bulbs (Corms) Spring-blooming Crocus are hardy in zones 3-8 and are planted in fall, as long as you can still work the ground. 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