Crataegus punctata is a species of hawthorn known by the common names dotted hawthorn or white haw that is native to most of the eastern United States and eastern Canada. While some sources claim it is the state flower of Missouri, the actual legislation does not identify an exact species. Furthermore, the Missouri Department of Conservation asserts the Crataegus mollis was specifically designated as the state flower.
Dotted hawthorn is resistant to disease and, in general, is not susceptible to illnesses. As for care, the plant is fairly low-maintenance. When grown outdoors it needs only minimal watering, and larger plants typically do not require pruning. Smaller plants, however, should be pruned after they have finished blooming. Dotted hawthornt is suitable for anyone with an outdoor area, such as a garden or deck, and does not need extensive care experience.
How to keep Crataegus Punctata.
Light
Dotted hawthorn is native to open habitats, such as sunlit meadows and forest edges, which receive abundant light. It thrives in Full Sun but can also tolerate Partial Sun, adapting well to a range of sunlight conditions.
Water
Dotted hawthorn, which comes from temperate regions, thrives in environments with moderate moisture. It prefers soil that is consistently moist but not waterlogged, so it should be watered every 1-2 weeks. When grown outdoors, dotted hawthorn benefits from natural rainfall, which helps support its growth and maintain a balanced level of hydration.
Temperature
Dotted hawthorn shows strong adaptability to a variety of climates, whether facing blazing summers or freezing winters. Nevertheless, it has an optimal temperature range for growth. When temperatures become overly high, the plant is susceptible to heat and humidity stress, which can lead to its death. In areas where temperatures near the lower limit of its cold tolerance, it's necessary to provide insulation to protect the plant.
Fertilizer
Proper timing is important when fertilizing Dotted hawthorn. Apply fertilizer in early spring and continue monthly until early summer. Fertilizer promotes lovely blooms and supplies energy during both dormant and active growth phases.
Pruning
Dotted hawthorn is known for its striking white flowers and red fruits. Pruning in early spring can significantly enhance the plant's health by removing dead branches, thinning the growth, and shaping the tree. This practice promotes growth, improves air circulation, and reduces the risk of disease. Be sure to use sanitized tools for clean cuts, which helps the plant recover more effectively.
Pot & Repot
Dotted hawthorn thrives in pots with excellent drainage. Good drainage prevents water from accumulating, which helps avoid root rot and promotes healthy growth.
Botanical profile.
- Plant Type
- Tree, Shrub
- Life Cycle
- Perennial
- Genus
- Crataegus
- Family
- Rosaceae
- Hardiness Zone
- 4-8
- Mature Height
- 10.97 m to 21.95 m
- Mature Spread
- 3.96 m to 6.1 m
- Leaf Color
- Dark Green, Olive Drab
- Leaf Type
- Deciduous
- Flower Color
- White, Pink
- Flower Size
- 1.52 cm to 2.03 cm
- Bloom Time
- Mid spring, Late spring
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late summer, Early fall, Mid fall
Other names.
Reader questions.
What's the best way to water my Dotted hawthorn?
To ensure excellent root development, consider placing a garden hose at the base of your plants instead of directly spraying the leaves. If your plants are outdoors and exposed to direct sunlight, keep in mind that the leaves may need more water. To adequately moisten the roots, you can use bubblers or soaker hoses for individual plants. When adding or removing plants, use soaker hoses that cover the entire garden or bed to ensure deep root penetration. After watering, make sure to drain any excess water and allow the soil to dry before watering again. Water your plants at ground level to prevent diseases. On sunny days, it may be beneficial to spray the entire bush with water. Whether your plants are potted or in-ground, it's important to remember that Dotted hawthorn prefers deep watering rather than light sprinkling.
Why should I add fertilizer to my Dotted hawthorn plant?
To make sure your Dotted hawthorn has beautiful blooms, it is important to fertilize it. Fertilizing in early spring is the best time to do this, as it will help your Dotted hawthorn produce excellent flowers during that season. Additionally, fertilizing provides your Dotted hawthorn with energy that it can store in the ground for its dormant growth phases. Giving your Dotted hawthorn extra nutrients during the fall planting process or in late spring will help it store more energy to use once it starts growing again.
What are the sunlight requirements for Dotted Hawthorn?
Dotted hawthorn requires full sun, which is above 6 hours of sunlight daily, but it can also tolerate partial sun, referring to about 3-6 hours of sunlight. It's important to watch how sunlight moves through your garden to select the perfect spots that provide a balance of light and shade, ensuring the plants' well-being. Originating from open environments like sunny meadows and forest edges, the dotted hawthorn is adaptable to various sunlight conditions.
What should I do if I give Dotted hawthorn too much or too little water?
An overwatered Dotted hawthorn can exhibit several signs of stress, including yellowing, dropping, and wilting leaves. The plant may also appear dull and unhealthy with mushy stems. It is important to adjust your watering schedule when these signs first appear. Conversely, wilting can also be a sign of under watering, characterized by crispy and dry leaves. In such cases, it is necessary to check the soil moisture level and provide a thorough watering when it is dry. While enough water will help the Dotted hawthorn recover, the damaged root system may cause the plant to continue having dry and yellow leaves for a few days. Once the plant returns to normal, the yellowing of the leaves will cease. When growing the Dotted hawthorn indoors, always check the moisture levels in the pot, ensuring that you avoid overwatering and watch out for black spots. If present, allow the soil to dry out by refraining from watering for a few days. Overwatering can lead to root rot, so if you observe discolored and slimy roots, it may be necessary to transfer the plant to a different pot. Take preventive measures to avoid root rot, and make sure the soil does not become overly saturated. When planting the Dotted hawthorn outdoors, dig a little deeper and check the soil moisture with your fingers. If the soil is too dry, it may indicate underwatering, and adequate watering is needed to aid in the plant's recovery.
When should I fertilize my Dotted hawthorn for best results?
Proper timing is essential for fertilizing Dotted hawthorn. If fertilizer is applied too early while the Dotted hawthorn is still dormant, it will be ineffective and washed away by rainwater, causing waste and pollution. To ensure effectiveness, the first application of fertilizer should be done in early spring. After that, continue fertilizing once a month until early summer.
How can artificial lighting benefit indoor plants?
Indoor plants, including the dotted hawthorn, require adequate lighting for optimal growth, especially when natural sunlight is insufficient. Artificial lights, such as LED lights, are vital for promoting faster, healthier growth by providing the specific wavelengths of light plants need. Full sun plants need 30-50W/sq ft of artificial light, partial sun plants need 20-30W/sq ft, and full shade plants should get 10-20W/sq ft. The light source should be placed 12-36 inches above the plant to mimic natural sunlight, and most plants need 8-12 hours of light per day.
How frequently should I give water to my Dotted hawthorn plant?
The Dotted hawthorn prefers deep and infrequent watering, especially when planted in pots. Since the water storage in pots is limited and the soil dries out faster, it is important to soak them with a gallon of water each time. In cold regions, watering is required every 3 to 5 days. It is best to water early in the morning when the soil is dry, both indoors and outdoors. To determine if watering is needed, check the soil inside the pot. If the top 2-3 inches of soil are dry, it's time for a full watering. On hot days, check the soil moisture daily as the heat can quickly dry it out. If you have a garden, irrigation of the soil is necessary. In hot climates, watering once a week is sufficient. Only water when the top 2-3 inches of soil are too dry. Be mindful of rainwater on the plant and avoid overwatering to prevent root rot. Additional watering may not be necessary if there is ample rainfall. When planting the Dotted hawthorn outdoors, add mulch 3 to 4 inches deep to conserve water. Sandy soil drains faster and requires more frequent watering, while clay soil requires less frequent watering to avoid root rot. To keep track of watering, mark the dates on a calendar and pay attention to drooping leaves, which may indicate the need for earlier watering.
When is it not a good idea to fertilize my Dotted hawthorn?
To ensure optimal blooming, it is important to use a fertilizer for Dotted hawthorn that does not have excessive nitrogen. Too much nitrogen can result in an abundance of leaves but few blooms. Therefore, choose a fertilizer that has a lower nitrogen content compared to other nutrients. Furthermore, avoid fertilizing Dotted hawthorn during late autumn since this can cause excessive growth just before winter. Additionally, it is not advisable to fertilize the tree or shrub during hot and dry periods as dry soil does not effectively deliver nutrients. Fertilizing during these times can also stimulate growth that requires additional water, which may not be readily available. It is best to apply fertilizer during the earlier part of the season when temperatures are cooler. Lastly, be cautious not to over-fertilize Dotted hawthorn by unintentionally applying fertilizer that has already been used on nearby plants or lawns. This can result in a double-dose of fertilizer, which may not be beneficial for the tree or shrub.
What symptoms indicate a light deficiency in Dotted Hawthorn?
Symptoms of light deficiency in dotted hawthorn include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, lighter-colored new leaves, chlorosis (leaves turning yellow), sunscald, leaf curling, wilting, and leaf scorching. These symptoms emerge when the plant doesn't receive enough sunlight, which is crucial for its growth and health.
How much water should I give my Dotted hawthorn plant?
The Dotted hawthorn generally needs about a gallon of water on a regular basis. For potted plants, water them deeply until water drips from the bottom of the pot, and then wait for the soil to dry before watering again. You can use a water calculator or a moisture meter to track how much water you've given the plant in a week. During the flowering period, provide plenty of water but allow the excess moisture to evaporate to prevent root rot. If the Dotted hawthorn is planted outdoors and receives adequate rainfall, it may not need additional watering. However, when the plant is young or newly planted, ensure it receives 1-2 inches of rain per week. As the Dotted hawthorn grows, it can rely solely on rainfall, except during extremely hot weather or extended periods without rain. In those cases, give the plant a thorough watering during the cooler parts of the day to protect it from heat damage. Additional watering will be necessary during persistent dry spells.
What kind of fertilizer is best for my Dotted hawthorn?
To provide the best nutrients for a Dotted hawthorn, it is recommended to use a fertilizer that has a balanced mix of the three main plant nutrients, with a slightly higher amount of phosphorus. Alternatively, gardeners can improve the soil by adding organic materials like compost, worm castings, and manure. When the flower buds start to appear, experienced gardeners may choose to supplement with water-soluble fertilizers containing phosphorus to enhance flower development, size, and longevity. There are various forms of fertilizers available, and both liquid and powdered fertilizers are considered suitable for Dotted hawthorn. Regardless of the form used, it is important to dilute the fertilizer and apply it while watering the Dotted hawthorn.
How can I address symptoms of light deficiency in Dotted Hawthorn?
To address light deficiency in dotted hawthorn, gradually move plants to sunnier locations to ensure they receive at least 6 hours of direct sunlight daily. Use south-facing windows and keep curtains open during the day. Consider using artificial lighting for additional support. Outdoor plants should be moved gradually to prevent sunburn. For ground planting, reduce obstructions like tree branches that block sunlight and consider transplanting to sunnier locations during the plant's dormant period for better sunlight exposure and drainage. Note that parts of the plant affected by insufficient sunlight may not recover, but new growth should be healthy with improved light conditions.