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Miss Chen
2018年02月05日
Miss Chen
Description: This perennial plant is 1½–2½' tall, branching frequently. The stems are usually round and covered with white hairs. The alternate leaves are whitish or yellowish green, and up to 4" long and 3" across. They are cordate or broadly lanceolate, with a well-rounded base. The leaf margins are horizontally wavy and irregular, and often undulate vertically as well. Both the leaves and their petioles are covered with fine white hairs, and have a rather soft texture. These hairs are sometimes glandular. A single drooping flower appears at the juncture of two divergent stems. It is up to ¾" across, and consists of a spreading tubular corolla that is pale yellow and divided into 5 very shallow lobes. There are 5 brownish purple splotches near the base of the corolla and 5 prominent dull yellow anthers. The pedicels of the flowers exceed 1/5" when fully developed, while the calyx has triangular teeth; they are both covered with fine white hairs. Later, the flowers are replaced by heart-shaped husks that are up to ¾" long, each containing a single fruit. The husk of the fruit is initially green, but later turns brown, and is indented at the base. The spherical fruit is about ½" across and becomes yellow when mature. It contains numerous light brown seeds that are elliptical and granular. On a typical mature plant during the summer, there are several buds, flowers, and husked fruit in all stages of development. The blooming period occurs during the summer and lasts about 2 months. The root system consists of deep fleshy rhizomes, which spread the plant vegetatively. Cultivation: The preference is full or partial sun, and slightly moist to dry conditions. The soil can contain substantial portions of loam, sand, or gravel. This plant often thrives in sterile soil, or disturbed areas with rich soil, because this reduces competition from taller, more aggressive plants. It is fairly drought tolerant. Range & Habitat: Clammy Ground Cherry occurs throughout most of Illinois, except some of the south-central and north-central counties (see Distribution Map). This plant is native to Illinois. It can be found occasionally in mesic to dry black soil prairies, especially in disturbed areas. This plant also occurs in openings of rocky or sandy upland forests, sand prairies, abandoned fields and pastures, areas along roadsides and railroads, and various waste areas. [图片]Faunal Associations: Short-tongued bees collect pollen or suck nectar at the flowers. This includes the Plasterer bees Colletes latitarsis and Colletes willistoni, and some Halictine and Panurgine bees. The caterpillars of the moth Heliothis subflexus (Subflexus Straw) eat the fruit of this plant, while other insects feed on or suck juices from the foliage, including Paratrioza cockerellii (Potato Psyllid), Macrosiphum euphorbiae (Potato Aphid), and Lema trilineata (Leaf Beetle sp.). Mammalian herbivores usually don't eat this plant because the poisonous leaves and unripe fruit contain significant amounts of solanum. There has been cases of cattle being poisoned by this species and other ground cherries. Various upland gamebirds and small mammals eat the mature fruit and help to distribute the seeds, including the Bobwhite Quail, Ring-Necked Pheasant, Wild Turkey, Eastern Striped Skunk, and White-Footed Mouse [图片]Photographic Location: The above photographs were taken at the edge of a prairie remnant near a cultivated field in Champaign County, Illinois. This prairie remnant occurred along a railroad. Comments: This plant has a very different appearance from Physalis subglabrata (Smooth Ground Cherry). The most striking features of Clammy Ground Cherry are the abundance of fine white hairs on the foliage and the irregular shape of the rather large leaves. Different varieties of this species have been described. It is probably one of the two most common ground cherries in Illinois, preferring areas that are sunny and on the dry side. The mature yellow fruit is edible to humans.
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Miss Chen
2018年02月05日
Miss Chen
Description: This herbaceous perennial plant is up to 2' tall and unbranched. The stem is covered with fine white hairs. The opposite leaves are up to 3½" long and ½" across, and sparsely distributed along the stem. They are linear to narrowly lanceolate, sessile, and have smooth, but slightly ciliate margins. Their surface often has a fine pubescence. The lower leaves tend to turn yellow and drop off the stem when the plant becomes stressed out. There is a cluster of flowers at the apex of the plant on short hairy stalks. Each flower is about ½" across, and has 5 lobes that flare abruptly outward from a long narrow tubular corolla. These lobes are rather angular and become considerably more narrow toward the base of the corolla. The calyx has long slender sepals that are green and hairy. The flowers may be white, pink, or lavender, and have a mild pleasant fragrance. The base of the corolla often has lines of deeper color than the lobes. Prairie Phlox typically blooms during late spring or early summer for about 1–1½ months. This plant has a taproot, and occasionally tillers at the base, sending up multiple stems. The small seeds are distributed by the wind to some extent. Cultivation: The preference is full or partial sun, and moist to mesic conditions. The soil can consist of rich loam, clay loam, sandy loam, or have some rocky material. Foliar disease doesn't bother this phlox to any significant extent. It is difficult to start plants from seeds, but somewhat easier from transplants. Sometimes, Prairie Phlox can be temperamental and short-lived if a site doesn't suit its requirements. Range & Habitat: The native Prairie Phlox occurs occasionally in most of Illinois, but is uncommon or absent in west central and southeastern Illinois (see Distribution Map). At high quality sites, it may be locally common. Habitats include moist to mesic black soil prairies, rocky open forests, Bur Oak savannas, sandy Black Oak savannas, limestone glades, thickets, abandoned fields, and prairie remnants along railroads. Prairie Phlox appears to benefit from the removal of excess debris by wildfires occurring during early spring or the fall. Faunal Associations: The nectar of the flowers attracts primarily long-tongued bees, butterflies, and skippers. Other visitors include moths and bee flies. Among the bee visitors are bumblebees, Anthophorine bees, Miner bees, and Nomadine Cuckoo bees. Butterfly and skipper visitors include the American Painted Lady, Sulfurs, Swallowtails, and Cloudywings. The caterpillars of the moth Heliothis phloxiphagus (Spotted Straw) eat the flowers, while the caterpillars of the moth Olive Arches eat the leaves. Other insects feeding on this phlox and others include Lopidea davis (Phlox Scarlet Plant Bug) and Poecilocapsus lineatus (Four-Lined Plant Bug). Mammalian herbivores readily consume Prairie Phlox, including rabbits, deer, groundhogs, and livestock. It may be difficult to establish this plant where there is an overpopulation of these animals. [图片]Photographic Location: The photographs were taken at the webmaster's wildflower garden in Urbana, Illinois. Comments: The flower structure of the Phlox genus is a classical example of a butterfly flower. Such flowers feature flared petals that function as a landing pad for these insects, and a long narrow tube that is accessible to the long proboscis of butterflies, as well as skippers and moths. Such flowers typically occur in loose, rounded clusters, and are often fragrant. The flowers of Prairie Phlox have all of these characteristics. A very rare variety of Prairie Phlox that occurs within the Sangamon river basin in Sangamon and Champaign counties is Phlox pilosa var. sangamonensis (Sangamon Phlox). It is distinguished primarily by its hairless stems, flowering stalks, and leaves, and is listed as an endangered species in the state of Illinois.
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Miss Chen
2018年02月05日
Miss Chen
Description: This perennial plant is 1-3' tall and usually unbranched. The central stem is terete, smooth, and usually glabrous; it also has numerous purple spots or streaks. The opposite leaves are medium to dark green, often with a shiny upper surface, and they are sessile against the stem or nearly so. They are about 2½-4" long and ½-¾" across. The leaves are narrowly lanceolate to lanceolate in shape and smooth along their margins; they are widest near their bases, while their tips are long and slender. Both the upper and lower surfaces of the leaves are glabrous. The central stem terminates in a panicle of flowers that is about 3-8" in length and longer than it is wide. The panicle of the typical subspecies (ssp. maculata) is cylindrical in shape (see Panicle Photo), while the panicle of spp. pyramidalis is pyramidal in shape (broader at the base than toward the apex). Individual flowers are about ¾" across, consisting of a pink, purple, or white corolla with 5 petal-like lobes, a green to purplish green calyx with 5 linear lobes (about ¼" in length), and the reproductive organs. The base of the corolla is narrowly tubular, while its petal-like lobes are obovate in shape. The calyx is shorter than the corolla and usually glabrous. The slender pedicels of the flowers are short (less than ½" in length). The blooming period occurs during the summer, lasting about 1-2 months. After the flowers wither away, they are replaced by ovoid seed capsules about 1/3" (8 mm.) in length. These capsules are 3-celled, and each cell of a capsule contains one or more seeds. The small seeds are distributed by the wind to a limited extent. The root system consists of a taproot. Cultivation: Preferred habitat consists of full sun to light shade, moist conditions, and soil containing silt, loam, or sandy loam. There should be sufficient organic material to retain moisture. After flowering, this plant tends to die down. If conditions are not right, it can be short-lived. Range & Habitat: The native Speckled Phlox occurs in scattered counties in the northern half of Illinois (see Distribution Map). It is an uncommon plant in the wild. Some populations may be plants that have escaped cultivation, as it is a popular garden plant. Habitats include bottomland woodlands, woodland openings, moist meadows along rivers, banks of rivers, fens, roadsides in wooded areas, and abandoned fields. Speckled Phlox typically occurs near woodlands or sources of water, rather than open prairie. [图片]Faunal Associations: The flowers are cross-pollinated by nectar-seeking butterflies, skippers, and moths. Small Syrphid flies may eat the pollen of the flowers, but they are non-pollinating. Caterpillars of the moth Heliothis turbatus (Spotted Straw) feed destructively on the flowers and buds, while caterpillars of the moth Lacinipolia olivacea (Olive Arches) feed on the foliage. Some plant bugs suck the juices of Speckled Phlox and other Phlox spp., including Lopidea davisi (Phlox Scarlet Plant Bug) and Poecilocapsus lineatus (Four-Lined Plant Bug). The larvae of a long-horned beetle, Oberea flavipes, bore through the stems. Mammalian herbivores readily consume Speckled Phlox, including rabbits, groundhogs, and deer. It can be difficult to maintain populations of this uncommon plant when these animals are abundant. [图片]Photographic Location: The photographs were taken at a flower garden along a sidewalk in Urbana, Illinois. Comments: This is another lovely Phlox species (Phlox sp.) that is uncommonly encountered in the wild. Wild plants with white flowers, in particular, are quite rare. Speckled Phlox can be distinguished from other Phlox spp. in Illinois by its purple-spotted stems and elongated panicles of flowers. Unlike Speckled Phlox, other Phlox spp. within the state have panicles of flowers that are wider than they are tall. The photographed plant is a cultivar with white flowers, but it has features that are typical of wild plants. Its cylindrical panicle of flowers is a key characteristic of the typical subspecies, Phlox maculata maculata. Other common names of this plant include Spotted Phlox, Meadow Phlox, and Wild Sweet William.
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Miss Chen
2018年02月05日
Miss Chen
Description: This perennial wildflower is 1¼–2½' tall. It is unbranched, unless the central stem is broken off, in which case 2-3 lateral stems will develop. The central stem is green, slender, and hairless – it is without purple streaks or spots. The opposite leaves are medium green, linear-lanceolate to linear in shape, smooth (entire) along their margins, and hairless. Each leaf has a prominent central vein. The lower leaves are either sessile or they clasp the stem, while the upper leaves are sessile. At the apex of the central stem, there occurs a small cluster of 3-20 flowers with pink or lavender corollas. The flower cluster is slightly dome-shaped, rather than flat-topped or elongated. Individual flowers are about ¾" across or slightly larger. Each flower has 5 petal-like lobes that spread outward from the throat of a corolla that is narrowly tubular below. These lobes are obovate to obcordate in shape with either rounded or slightly notched tips. The calyx is deeply divided into 5 slender lobes that are linear to linear-lanceolate; it is green to purple and hairless. The calyx is shorter than the tubular base of the corolla. The reproductive organs are inserted within the corolla and inconspicuous. The flowers are fragrant. The blooming period can occur from late spring to late summer, lasting about 1-2 months. The flowers are replaced by narrow seed capsules; each capsule contains many small seeds. The root system consists of a taproot. This plant spreads by reseeding itself. Cultivation: The preferred situation consists of full sun to light shade, moist conditions, and a fertile loam or sandy loam with decaying organic material. Young plants can be killed by summer heat and drought, particularly in locations that lack adequate moisture. There is a tendency to sprawl, unless this plant is supported by grass and other kinds of vegetation. Foliar disease isn't a significant problem. [图片]Range & Habitat: The native Smooth Phlox occurs occasionally in the eastern two-thirds of Illinois, but it is uncommon or absent in western Illinois (see Distribution Map). Habitats include moist black soil prairies, moist sand prairies, cemetery prairies, prairie remnants along railroads, openings in bottomland woodlands, thickets, acidic gravelly seeps, and abandoned fields. This is an indicator plant of higher quality prairie remnants – the showy flowers can be spotted from some distance away, facilitating the discovery of new sites. Faunal Associations: The flowers of Smooth Phlox are visited by butterflies, skippers, and moths for nectar. Butterfly visitors include Monarchs, Swallowtails, and Sulfurs. Occasionally, small Syrphid flies may feed on the pollen, but they are non-pollinating. The larvae of a long-horned beetle, Oberea flavipes, bore through the stems. The caterpillars of the moth Heliothis turbatus (Spotted Straw) eat the flowers, while the caterpillars of the moth Lacinipolia olivacea (Olive Arches) eat the foliage. Some plant bugs suck on the juices of the this plant, including Lopidea davisi (Phlox Scarlet Plant Bug) and Poecilocapsus lineatus (Four-Lined Plant Bug). Rabbits, groundhogs, deer, and probably other mammalian herbivores readily consume Smooth Phlox. Photographic Location: The photographs were taken at a moist prairie remnant along an abandoned railroad in Champaign County, Illinois. [图片]Comments: This plant has attractive foliage and flowers. Some authors from the eastern coast of the United States report the size of Smooth Phlox as up to 4-5' tall, but such huge plants apparently don't occur in Illinois. Smooth Phlox resembles Phlox pilosa (Prairie Phlox), except the latter species typically has hairy stems and calyces, and it tends to be shorter and blooms earlier. Smooth Phlox even more closely resembles the hairless Phlox pilosa sangamonensis (Sangamon Phlox), but the petal-like lobes of the latter species are less rounded and more angular (rhombic) in shape, while the bases of its petal-like lobes are more narrow and wedge-shaped. Another similar species, Phlox maculata (Meadow Phlox), has stems with purple spots or streaks, wider leaves, and a more elongated inflorescence. Smooth Phlox can be rather variable across different populations, possibly because of some hybridization with other Phlox spp. If a site is sufficiently moist, both Smooth Phlox and Meadow Phlox are found occasionally with Prairie Phlox.
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家里的二哈爱吃花
2018年02月04日
家里的二哈爱吃花
[图片]1.叶肿病 它一般主要危害迎红杜鹃的花芽上面、嫩叶和新梢上。刚开始叶片的正面上会出现淡黄色半透明的圆形斑，之后就会变成黄色。还有点下陷。这样就会让叶子开始枯黄，就早早的落下了。严重的时候还会让叶柄上面形成片的病斑，变得非常畸形肥厚。 防治方法：在开始发病之前，尤其是在它抽梢展叶的时候，可以进行一些农药喷洒，如果发现病叶还要给它马上就清理掉。在发芽之前发病的话，也是可以喷洒一些农药进行治理，发病后还要继续用其他的农药喷洒。 [图片]2.叶斑病和褐斑病 这两种病害都是直接影响它的叶片、叶柄和茎部。叶子上面的病斑是圆形的，之后就会开始渐渐扩大，呈现出来不规则的大病斑，还会产生一些轮纹，然后病斑就会从红褐色慢慢渐变成黑褐色的，中间是灰褐色。不论是哪一种病害，都可能让它的整个植株完全枯黄死掉。 防治方法：在5到8月份的时候我们可以找一些对应的农药，进行一定的配置之后，然后每隔上10天左右的时候，给它喷洒一次，前后一共喷洒7到8次就可以了，这样就可以很好的控制住病害的发展。为了不让一些叶片变黄，还可以增加其他的溶剂。 [图片]3.币厄病 听起来真的是一种很奇怪的病害。一般只要是受到伤害的嫩枝叶片的上面，就会马上布满了比较密的白色或者是粉红色的病害，其中大部分都是蚜虫造成的 。 防治方法：首先要把那些病叶给清除掉，然后在对它喷洒一些药剂，另外还要掌握一定的喷洒技巧，这样就可以让它不容易再有新的病害了。 [图片]
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权问薇
2018年02月04日
权问薇
绿萝 操作方法： 1、剪下一段绿萝枝条，最好挑选带有气生根的，这样绿萝更容易生根，成活率也高。 [图片]2、把剪下的绿萝再分成小段，每段保留一片叶就行。 [图片]3、把绿萝插到准备好的花盆里，土不要覆盖的太厚。然后浇一次水，放在通风的位置养护。 [图片]4、等到绿萝开始生长，长出新叶的时候，可以把绿萝搬到南阳台，晒一晒太阳，用不了两个月，就能长成一盆全新的绿萝！ [图片]长寿花 操作方法: 1、剪下长寿花的枝条，分成小段，每段只留一对叶子就可以，否则叶片多了会增加养分流失，影响生根速度。 2、把剪好的长寿枝条插到土里，长寿花扦插对土壤要求不高，用普通园土加点沙子就行。 [图片]3、等到长寿花长出新叶之后，就可以搬到阳台，多晒太阳，每周浇1次水，很快就能长成一盆大长寿花了！ [图片]发财树 操作方法： 1、剪下比较健壮的发财树枝，最好是一年以上的木质枝条，每个扦插的枝条保留2~4片叶子就可以。 [图片]2、把发财树枝条插到准备好的沙子里，浇一遍水，放在阴凉的地方养护，之后每天都喷喷水，保持河沙湿润。 [图片]3、大概一个月以后，发财树就能生根了，这时候再移栽到花盆里就可以了。 天竺葵 操作方法： 1、把天竺葵枝条剪成小段，每段10厘米左右，留1~2片叶子就足够了。剪下来不要 急着插，先放到阴凉的地方晾1天。 [图片]2、一天后，准备好河沙，把天竺葵枝条插到沙子里，浇水浇透，然后每天给天竺葵喷喷水。 3、大概15~20天，天竺葵就能长出新根了，生根后移栽到大花盆里养护就可以了。 月季 操作方法： 1、扦插月季最好选生长1年以上的枝条，用剪刀分成5~8厘米的小段，剪掉残花，保留叶子。 [图片]2、把月季花枝条放进塑料瓶里，瓶底倒点水，不需要太多，0.5~1厘米左右就可以了。 [图片]3、把塑料瓶放在窗台上，接受光照，注意保持瓶底始终有水。这样大概2周后就能生根了，生根后就可以移栽到花盆里了！ 各种常见花的扦插技巧就说到这了，是不是很容易操作呢？家里比较暖和的花友现在就可以试试！
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权问薇
2018年02月04日
权问薇
[图片]一、具体方法 1、选择生长环境 我们都知晓，在种植每一种植物的时候，想要让植物存活都要先了解什么样的环境更适合植物生长，像迷你矮珍珠这样的水草类植物比较适合生长在温度适中的水温当中，这样他们才更能够存活下来，之后一定要选择粗沙粒作为这种植物的生长基底。 2、修剪 找到适合迷你矮珍珠生长的环境和条件之后，就可以种植了，首先一定要适当的修剪这类的植物，一定要将迷你矮珍珠本身没有长好的叶子或者根部除掉，这样才能顺利完成种植流程，并且也能够规避迷你矮珍珠种植后出现腐败的情况发生。 3、种植 它的根部是比较细小的，所以我们在栽种的时候尽量要避免伤害它的根部，可以先用镊子轻轻的夹住根部，然后再慢慢的将其植入生长的沙砾中，填好沙粒的空隙就完成了，尽量在栽种的时候要每株迷你矮珍珠都保持适中的空间。 [图片]二、注意事项 想要种植迷你矮珍珠必须具备足够的细心和耐性，如果稍有差池很可能就导致迷你矮珍珠出现烂根死亡的情况，而且在栽种的时候，要一步步按照每一个流程慢慢去完成，千万不要着急，在种植过后也要详细的进行检查，如果发现种植有误应该做适当的改善。 相信你已经开始盘算在自家的鱼缸里种植几株迷你矮珍珠了吧，其实迷你矮珍珠只要符合种植的流程，是非常好养的，但是平时我们也一定要注意鱼缸的清洁工作，尽量要给鱼缸里的鱼类和植物类营造一个舒服又干净的环境。
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张祥明
2018年02月04日
张祥明
[图片]一、特点 这种植物有一个特点，就是他可能茎长得特别长，这种植物在野外最多是可以长到5米高的，所以总有一些花友会问，自己的酒瓶兰长得太高，甚至有的都快到房顶了。长得太高在搬运和管理方面肯定很麻烦，这时我们应该给植株进行截去头部，留下适当长度的茎部的操作。那么具体该怎么做呢，下面我来给大家详细介绍一下。 [图片]二、方法 1.时间的选择 截头的操作应该选择在春天植株兰生长旺盛的时候，这时的温度适宜，湿度合适，有助于锯掉头的酒瓶兰快速长出新的芽。也有花友在别的季节进行锯头的操作，但别的季节或多或少都有一些缺点，要么太热，要么太旱，要么太冷，这些因素都会放缓他的生出新芽的速度。如果大家不想自己的酒瓶兰太长时间光秃秃的摆在家里，还是选择春天比较好。 [图片]2.具体操作 首先我们要找到一把足够锋利的工具来进行这个操作。接下来是下刀位置的选择。很多刚养这种植物的朋友不知道该从哪里下手比较好，其实非常简单。一般的植株长了有一段时间以后大家就会发现根部越来越硬，从根部往上茎的坚硬程度是递减的，越到顶部是越柔软的。如果我们砍得部位比较高，那个部分就太嫩，十分容易失去水分，也容易被细菌侵蚀到创伤面，这样砍完后的植株既不容易发根，伤口也在愈合以前就很容易软了。所以我们要选择离根茎不太远的，比较硬的位置下刀，一般可以选择植株1/3的地方下刀，要是植株太高还可以更往下面一点。找好位置了，就可以下刀，注意削出的平面尽量平整。 [图片]3.锯头的好处 这种植物在砍去头部之后还可以在砍完的平面上长出嫩绿的新芽，侧芽的生长会让植株有多个头，这样的酒瓶兰更好看呢！如果你的那盆长的太高不防试试砍短一点吧！
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韩塞
2018年02月04日
韩塞
[图片]一、肥料引起的 这种植物的根那么大，大家很容易就能想到它是用来存储养料和水分的。所以肥料的施加就会和一般的植物不太一样，肥料施得多了，它吸收不了那么多，就堆积在土壤里，浓度太高就可能毒害植株的根部，从而造成根部发生病症。当根部出现问题的时候要停止肥料，根部出现问题吸收能力本身就下降很多，这时再施肥水，对植株来说无疑是雪上加霜。 [图片]二、浇水引起的 根部发生问题很常见的原因就是水太多，盆土太湿。这种植物本身就是一种非常耐旱的植物，所以过多的水分对它来说完全有害而无利，长时间高湿润度的条件侵蚀植株的根部，根茎十分容易腐烂。所以平时浇水要控制，注意一定不能让盆里的土积水。下雨天的时候千万不能让它淋到雨，也是为了防止积水，如果被雨水浇了，又没有及时的除湿，一段时间以后植株的根茎肯定会开始发黑变烂。 [图片]三、病害造成的 根部出现问题，有可能是植物生病了。有一种细菌会侵蚀它的根茎，造成根部发黑变烂，这时我们及时发现，及早治疗。在发病的初期阶段，我们按1:1000稀释农用链霉素，喷洒在植株发病的地方，或者可以浇1:800稀释的65%敌克松，有很好的效果。 [图片]四、严重时的解决措施 我们要先把它从土里拔出来，看看烂的程度，如果根整体看上去还是很硬很健壮的话就没什么太大问题。这时我们把烂的那些地方给剪掉就好了，可以多剪一点走。把它的根洗干净，在阴凉的地方晾干五六天。再可以用生根剂泡一泡就可以重新栽进盆里了。
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权问薇
2018年02月04日
权问薇
[图片]一．苗床准备 因为这种植物喜欢排水性比较好的砂质的泥土，如果是粘土的话会不利于它的成长，所以我们播种的培育土要砂质土，整理苗床的时候，可以在准备好的砂质土上面施加有机肥料、复合肥料，然后用耙把泥土和肥料耙均匀，然后夯实它，最好是弄够保证有5度的坡度有利于泥土的排水。因为这种植物不喜欢积水，所以一定要做好排水的措施，避免下雨的时候有雨水堆积。 [图片]二．步骤 1因为种子比较小，所以可以用牙签沾湿一端然后把种子沾上土层上面，种子与种子之间的间距一定要有足够的距离，如果是不打算在短时间内移植幼苗的话，种子与种子之间的间距一定要有15x15厘米以上，如果是打算长了芽苗就移植的话，间距的问题就无需留意太多。 2把种子播好之后，还要在上面盖一层比较薄的砂质土 ，为了保温，更是为了种子能够在适合的温度下快速地发芽，可以在盖好土层之后在上面盖上一张塑料膜，这样做还可以达到保证湿度的效果。在此之前可以给它添加水分。 3值得注意的是，在盖上塑料膜之前要给土层浇水，水量不用太多，最好是采取喷灌、滴灌的方式，不要漫灌，土层只要保持潮但是不会湿就好，这样最利于种子的发芽。 三：注意 1这种植物一般选择在春天播种，因为最适合它发芽的温度是15度到25度，春天温暖的气候很合适。 2大概经过两个星期之后它就会长出芽苗来。
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